The Remote Server Returned An Error 401 Unauthorized Auth Methods Basic Realm

The remote server returned an error: (401) Unauthorized. If this server is not a domain member server and/or does not have a trust relationship to the domain that contains your user account, you will need to modify the IIS Virtual directory or the webservice to allow. The IIS site config has all authentication methods disabled except Windows Authentication. Open a solution in Visual Studio. And in the web. The HTTP request is unauthorized with client authentication scheme 'Anonymous'. Active authentication is required when you need to authenticate in code to programmatically access SharePoint objects, using for instance Client Object Model, web services or WebDAV from outside of Office 365. com as primary SMTP. The list below summarizes the most common status codes used inside 'propstat'; however, clients should be prepared to handle other 2/3/4/5xx series status codes as well. WebException: The remote server returned an error: (401) Unauthorized. While inner exception gives me message as below. If I'm reading your code correctly (and my rusty C#) Iyou should have:. The challenge and response flow works like this: The server responds to a client with a 401 (Unauthorized) response status and provides information on how to authorize with a WWW. HttpWebRequest. "The Remote Server Returned An Error: (400) Bad Request" Aug 7, 2010 using oAuth. I am hosting remoting within IIS. ---> System. Home` * - `` * * For checking the raw source code, use `seeInSource()`. Posts; Exchange Server (401) Unauthorized - The HTTP request is unauthorized with client authentication scheme 'Negotiate'. If you want to change the original authentication method, see Configure Authentication with Certificates in How to Configure Identity Management for JBoss EAP. Everything works fine as long as I pass default credentials listProxy. You can configure LDAP failover or use the containerized basic authentication repository as a starting point for another advanced remote basic authentication configuration. The first screen of the installer looks like this: The installer informs you when installation is complete: Restart Visual Studio. Message=The remote server returned an error: (404) Not Found. But when I open Excel directly without going throught to the web client, and select the Log On Connection Ribbon Button an entered my ID/PWD ( I am setup as SysAdmin with all the authorizations from BI perspective), I got this error: Wrong Authentication. If Forms Authentication is turned on alongside Windows Authentication, you may get the following errors: The remote server returned an error: (404) Not Found; 401 - Unauthorized: Access is denied due to invalid credentials; Disable Forms Authentication and retry. A username and password can be set prior to connecting to a remote FTP server. RemotePermanentException: The remote server returned an error: (401) Unauthorized. 405 METHOD NOT ALLOWED: You can't POST or PUT to the resource. We are succesfully able to move from our apllication to spotfire server libraray which is integrated. Conquering the Command Line Unix and Linux Commands for Developers Mark Bates Learn to master and conquer the most valuable and useful command line tools for Unix and Linux based systems. “The remote server returned an error: (401) Unauthorized. With a value of Direct, you can allow any of the three authentication methods when a channel binding token exists and an SSL connection exists, as long as the channel binding token for the SSL connection matches the channel binding token for the authentication method (Kerberos, NTLM, or Negotiate). WebException' occurred in System. The cause of this is when CRM 2016 is claims enabled, then the SharePoint 2013 (that was integrated with the server-based authentication method) expects that CRM sends the SharePointEmailAddress attribute value with a value equal to the value that the same ActiveDirectory user has in its Workemail attribute in the SharePoint user profile. How can we achieve this using the built-in components? In previous versions of SSIS, the open-source SharePoint List adaptors from Codeplex could. " or "The remote server returned an error: (401) Unauthorized. The authentication header received from the server was 'Negotiate,NTLM'. I'm hoping someone here has some experience with using APIs through PowerShell to help speed me along. You can change the Log on as for Laserfiche Forms Routing Service to a windows account that can be authenticated to the Workflow server and keep workflow server to use windows authentication. Please feel free to ask questions about the platform to receive answers from the developers or other members of the community. The authentication header received from the server was 'Basic rrealm="mail. Recently, I was tasked with making CSOM work with these SAML-enabled web applications and host-named site collections. I realize that deviceInfo is not correct for XML but I needed something and was told it didn't matter what so I just used what was in the MSDN example. Extensible Messaging and Presence Protocol (XMPP): Core Abstract. Tag: ClickOnce and Setup & Deployment Projects The remote server returned an error: (401) Unauthorized. Inner Exception:The HTTP request is unauthorized with client authentication scheme 'Basic'. HTTPPasswordMgr. 402 Payment Required The original intention was that this code might be used as part of some form of digital cash or micropayment scheme, but that has not happened, and this code has never been used. net2005) [Answered] RSS 6 replies Last post Nov 13, 2009 11:18 PM by trivedid. unauthorized with client authentication scheme 'Negotiate'. Smart Start paths are designed for us to help walk you through your onboarding mission to get value out of your product quickly—use one of our experts or choose your own path, it's up to you. This results in a forced two-way SSL/TLS authentication, without changing the original authentication to the server management. If I'm reading your code correctly (and my rusty C#) Iyou should have:. I'm trying to run a VB. We have a strange case after migrating from RC1 to RC2. " May be it wants UserName to be set. --> The remote server returned an error: (401) Unauthorized. For more information about configuring SharePoint authentication, see Plan authentication methods (SharePoint Server 2010)". My Requirement is below: with the use of email address i want to show user profile details & user tweet in my web application. Click the drop-down list next to the name of the form you want to deploy as a web service, and select Create Event Web Service. --> The HTTP request is unauthorized with client authentication scheme 'Negotiate'. The authentication header received from the server was 'Basic realm="owa. config correctly. Instances must be configured with setDoOutput(true) if they include a request body. How a RESTful API server reacts to requests. The request failed with HTTP status 401: Unauthorized. We also tried using NetworkCredentials and that got the following error: The remote server returned an error: (404) Not Found. IIS Returns HTTP 505 Version Not Supported when accessing Microsoft-Server-ActiveSync remote server returned an error: (401) authentication methods on the web. Webservice - unauthorized request. WebRequest Error, the remote server returned an error: (401). I can use them to log in directly with id. MessageSecurityException: The HTTP request is unauthorized with client authentication scheme 'Negotiate'. The authentication header received from The remote server returned an error: (401). Troubleshooting server connection No matter if you configure the EWS connection to a source/target Exchange Server or to a source Office 365 tenant, the first action (test) performed by the program is always checking the connection to your server (Exchange Server, as shown in Fig. Additionally, some recommended useful tools and Microsoft Knowledge Base articles for troubleshooting HTTP 401 errors are provided. IIS Returns HTTP 505 Version Not Supported when accessing Microsoft-Server-ActiveSync remote server returned an error: (401) authentication methods on the web. Smart Start paths are designed for us to help walk you through your onboarding mission to get value out of your product quickly—use one of our experts or choose your own path, it's up to you. The underlying issue is being when making a call to the ConnectWise REST APIs. Hi, I am working on integration with docusign. I've double and triple-checked my credentials and they are correct. A 307 or 308 redirect preserves the original HTTP method and body, provided that the Request. The only way to get this to work is to change to Basic authentication. To authenticate using an API Key, use HTTP basic auth with the username set to the API Key's Sid and the password set to the API Key's Secret. MessageSecurityException: The HTTP request is unauthorized with client authentication scheme 'Anonymous'. The Web server (running the Web site) thinks that the HTTP data stream sent from the client (e. Lync Mobile iOS Client Authentication Issues March 14, 2012 by Jeff Schertz · 26 Comments Troubleshooting Lync client connectivity can be difficult when there are multiple clients which exhibit slightly different behavior and there are some scenarios where not all clients can successfully sign in. MakeGetRequest(HttpContext Context, String url) I have walked through many of the steps provided in the troubleshooting forum. You are using Basic Authentication and the credentials set in the Configuration Tool do not have the appropriate permission The account specified must be either a member of the SharePoint Administrators group (set using SharePoint central administration) or the Local Administrators group to have SharePoint Administration rights. Exchange 2013 was connected to the Internet using a (Juniper) firewall, so no TMG involved. web server is set up to use basic authentication it does not mean that it has permission to request the. Extensible Messaging and Presence Protocol (XMPP): Core Abstract. Error: The remote server returned an error: (401) Unauthorized. The authentication header received from the server was 'Basic realm=\"SAP Web Application Server [M86]\"'. I am connecting to a web service that requires HTTP authentication. RPC over HTTPS is a great feature that can simply e-mail accessibility for your remote users. ---> System. If the authentication server can decrypt the value and it is the same challenge value that was sent earlier, the user is. I'd like to clarify that dnu does send any credentials you have stored in NuGet. c# wcf service-accounts webhttpbinding share | improve this question. www-authentication-negotia te, NTLM etc. I've double and triple-checked my credentials and they are correct. The authentication header received from the server was 'Basic realm="XISOAPApps"'. ” “The HTTP request is unauthorized with client authentication scheme ‘Anonymous’. If you want to change the original authentication method, see Configure Authentication with Certificates in How to Configure Identity Management for JBoss EAP. getResponse method to get. did you get this working, I am getting "The remote server returned an error: (401) Unauthorized" with my corporate tenant and its working absolutely fine on my trail tenant. From the Process Monitor results. find_user_password(realm, authuri)¶ Get user/password for given realm and URI, if any. JAX-WS Sharepoint 401 Unauthorized NTLM I try to access a Sharepoint list via JAX-WS as described here However, when running the code below I get: java. The remote server returned an error: (401) Unauthorized. When I am using the SharepointOnlineCredentials and hard coding the username and password it is working fine for me. The authentication header received from the server was 'NTLM'. The DefaultCredentials property of the CredentialCache class provides system credentials of the security context where the application is running. com",Negotiate,NTLM'. RemotePermanentException: The HTTP request is unauthorizedwith client authentication scheme 'Negotiate'. Additional Details Certificate common name remote. GetResponse. We run into an exception when calling OoB list web services from Infopath Webbased form on SharePoint 2010. Exchange Server 2013 automatically configures multiple Internet Information Services (IIS) virtual directories during installation. Remote Connectivity Analyzer Version History Known Issues. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. com matches msstd:remote. The HTTP request is unauthorized with client authentication scheme 'Basic'. Claims based access platform (CBA), code-named Geneva forum The remote server returned an error: (401) Unauthorized. 5 Access Denied when verifying EAS and autodiscover URL The remote server returned an error: (401) Unauthorized. Specify host names (Preferred method if NTLM authentication is desired) a. Unauthorized. Net Framework 1. The authentication header received from the server was 'Negotiate,NTLM'. A good blog entry discussing this topic can be found at: Guru Sarkar's Blog. But I got this error, The remote server returned an error: (401) Unauthorized. I can use them to log in directly with id. Hello, I recently lost the ability to login to the Jira REST API using powershell, constantly getting 401 unauthorized errors. Hi Community, I need you assistance on an issue I'm facing. the domain name user listed "username1" has the wrong permissions or credentials. 405 METHOD NOT ALLOWED: You can't POST or PUT to the resource. If there are too many web service calls in a short amount of time, this may cause server sockets exhaustion. The authentication header received from the server was 'Basic Realm="webservices4. The idea is get the out put from the asp page which will be an xml. Felix Schneider. --> The remote server returned an error: (401) Unauthorized. --> The HTTP request is unauthorized with client authentication scheme 'Negotiate'. This script worked was working on v7. MessageSecurityException: The HTTP request is unauthorized with client authentication scheme 'Anonymous'. This is the last response. x through 3. An issue was discovered in Squid 2. Hi, After much effort and pretty lot of time I got myASP. ] [ProtocolException: The remote server returned an unexpected response: (407) Proxy Authentication Required ( The ISA Server requires authorization to fulfill the request. I see a lot of fingers pointing single or multiple hops. I have a web application deployed to Server 2008 IIS 7. CompleteGetResponse(IAsyncResult result) +222 [MessageSecurityException: The HTTP request is unauthorized with client authentication scheme. Have you seen "Have a Question or Comment" Button under the solution posted by ThatRaja??? if yes, than kindly use that to post a comment to him, so that he could get a notification of your reply and give your response if required. --->Microsoft. But when I open Excel directly without going throught to the web client, and select the Log On Connection Ribbon Button an entered my ID/PWD ( I am setup as SysAdmin with all the authorizations from BI perspective), I got this error: Wrong Authentication. The authentication header received from the server was 'Negotiate,NTLM'. Remote Web App should also be HTTPS Enabled as well. WebException: The remote server returned an error: (401) Unauthorized. The authentication header received from the server was 'Basic Realm="webservices4. (401) Unauthorized – The HTTP request is unauthorized with client authentication scheme ‘Negotiate’. Currently that is the only way I know of to access authorized feeds (in fact, VS 2015's package manager works fine with them as well). 403 Forbidden The request was a legal request, but the server is refusing to. The entries in this array are created by the web server. Notice how Proxy-Authentication repeats much of what was in Proxy-Authenticate. Bind Data to the Combo in a DataGrid Dynamically Hello Friends, I have a datagrid with a column with ComboColumnStyle. — End of inner exception stack trace —. GetResponse. NET MVC3 site running on IIS 6. But when i call the service from client i am getting the following exception. You can get around this problem by using the Response object's BinaryWrite method instead of the basic Write. exe file and follow the prompts. The IIS site config has all authentication methods disabled except Windows Authentication. When I allow only Windows Authenticated sessions, something very If the client activates the remote object with IP address - works fine If the client activates it using a machine name - get http 401 exception is thrown. uudecode determines how many bytes will be decoded by iterating over the input and checking its table. MessageSecurityException: The HTTP request is unauthorized with client authentication scheme 'Anonymous'. How a RESTful API server reacts to requests. ---> System. Felix Schneider. Even systems with older Windows versions sometimes rely on Kerberos only. I am hosting remoting within IIS. Attackers can exploit this issue to execute arbitrary code in the context of the user running the application. 200 OK - A property exists and/or its value is successfully returned. 0, SharePoint 2013, claims authentication, on-premise, Azure, CSOM, SAML. --> The remote server returned an error: (401) Unauthorized. --->Microsoft. An unhandled exception of type 'System. REGISTER Request The procedures in this section assumes that the UAC has obtained a token as specified in section Section 2. The authentication header received from the server was 'Basic realm="SERVERNAME"'. By continuing to browse this site, you agree to this use. 0 authorization to access Google APIs. Ok, so I have made a connection to the server via RPC over HTTP(S) and subsequently lost it. unauthorized with client authentication scheme 'Negotiate'. 0 but I could not able to configure this site communicate with another WCF Service on the same machine (accessed via localhost url). If the Enable anonymous access is unchecked, the authentication to the URL fails resulting in the (401) Unauthorized error: Prior to (401) Unauthorized error, a dialog box may display asking for Username and Password, like so: Providing the information may not help. The following is a complete listing of fixes for V8. Thanks to the basicAuth middleware, the server is sending 401 Unauthorized response code and sets the WWW-Authenticate header to use the Basic authentication. Felix Schneider. The authentication header received from the server was 'Negotiate,NTLM'. {"Authorization": "Basic bWF0Og=="});. # Since the certificate in Orion for SWIS is self-signed we'll need this to ignore it. I have now enabled Windows authentication, applied the suggested reg fix and updated the msdeploy parameter to use NTLM for auth, this works well for an admin user but still fails on a non-admin user, again with 401. Any thoughts about what might be causing this issue would be greatly appreciated. We have data stored in SharePoint lists, which we need to extract into our database. I am using two factor authentication on netscaler , primary LDAP and secondary RADIUS. I need a help cause I can't call my SQL Reporting Services through Soap Request/Replay action. Hi we have applied custom autnicator for spotfire login. The authentication header received from the server was 'NTLM'. Response Uri: https://10. token could not be satisfied because authentication failed. Thanks for the sample. I am a member of Contributors group in Azure Devops, I am using cmd-let Invoke-RestMethod. The authentication header received from the server was 'Basic realm="SAP Web Application Server [E10]"'. 2xo1 <<--- without the ? its working! It denies access to the anonymous user. Indicates an invalid user name or password. This may be the result of invalid credentials or a configuration problem on the Exchange Server. MailboxReplicationService. IBM Watson IoT Platform API - simple c# api http webrequest get - always says 401 , how can I set authentication token Question by testdevice ( 43 ) | May 24, 2016 at 09:24 AM iot restapi ibmcloud. In our company, we only allow Kerberos authentication on new Windows 2016 and Windows 2019 systems. net web application. Description: An unhandled exception occurred during the execution of the current web request. Additionally, the file object that is returned by urlopen() is. "Method list for group policy lookup contains methods not supported by Easy VPN Server" Continue: Yes/No. The authentication header received from the server was 'Basic Realm="webservices4. SQL Anywhere - Server. Specifically, if the server wishes to harvest the lock upon time-out, the server SHOULD act as if an UNLOCK method was executed by the server on the resource using the lock token of the timed-out lock, performed with its override authority. HTTPPasswordMgr. Application. "The Remote Server Returned An Error: (400) Bad Request" Aug 7, 2010 using oAuth. Click more to access the full version on SAP ONE Support launchpad (Login required). I have not had any luck, I always receive -- Invoke-RestMethod : The remote server returned an error: (401) Unauthorized. Of course this can't be done without deleting the dist group and creating as a user mailbox. # The server will not start if the server specified is unreachable. This method will return (None, None) if there is no matching user/password. HTTP access authentication is explained in HTTP Authentication: Basic and Digest Access Authentication [43]. Now you can just use simple JavaScript, e. Basic realm. GetResponse. The authentication header received from the server was 'Negotiate,NTLM,Basic realm="xxx. On iOS, UIWebView does not have any limitation for cross domain javascript requests (except for the this issue), so html file loaded from local host or a domain, can make xmlhttprequest to another remote domain and get response properly. The 'arcgisoutput' directory needs anonymous access enabled in Authentication Methods in Microsoft Internet Information Services (IIS). If I browse to the web service outside visual studio (using soap UI or a browser) I can consume the web service normally. Read the response. Inner Exception:The remote server returned an error: (401) Unauthorized. Consider the following scenario: You have a Microsoft Lync 2013 or Skype for Business server, and you have configured integration with Microsoft Exchange 2013 or 2016. Posts; Exchange Server (401) Unauthorized – The HTTP request is unauthorized with client authentication scheme ‘Negotiate’. The remote server returned an error: (401) Unauthorized. Note that both keyword return the HTTP 302 status code. 1 401 Unauthorized - test Failed: Connect Connect Dynamics 365 (online) to Exchange Server (on-premises) Unanswered I am having the same issue and I have went thru the TechNet instructions multiple times ensuring all prerequisites have been met. Your sample code works on the first try for me (see attached screenshot). HTTP Methods. Access to the Web Proxy filter is denied. King regards. I have a web application deployed to Server 2008 IIS 7. Solution to: The credentials supplied to the package were not recognized I have set up a web application. The remote server returned an error: (401) Unauthorized. Even systems with older Windows versions sometimes rely on Kerberos only. Consider the following scenario: You have a Microsoft Lync 2013 or Skype for Business server, and you have configured integration with Microsoft Exchange 2013 or 2016. I have never performed this task before (either creating unit test from scratch or using services) so I have no idea what the above means. Please check the credentials and try again. The script returns "[ERROR] Invoke-RestMethod : The remote server returned an error: (401) Unauthorized. Description. Hello everyone, I have been running a SharePoint 2013 farm with Workflow Manager for over 2 years now with no issues, but as of today, all the SharePoint 2013 workflows stopped working. You can configure LDAP failover or use the containerized basic authentication repository as a starting point for another advanced remote basic authentication configuration. ' Inner Exception: The remote server returned an error: (401) Unauthorized. Tag: ClickOnce and Setup & Deployment Projects The remote server returned an error: (401) Unauthorized. If you don't configure the user under which your web app runs, then it is running as the IIS worker process; that account isn't going to have rights anywhere outside of the machine on which it is running. com",Negotiate,NTLM'. Because basic authentication is generic, you can use this identity provider for advanced authentication configurations. 1398: ERROR_CURRENT_DOMAIN_NOT_ALLOWED: 0x577: This operation cannot be performed on the current domain. Your sample code works on the first try for me (see attached screenshot). Successful exploits will compromise the application and possibly the underlying computer. ” “The HTTP request is unauthorized with client authentication scheme ‘Anonymous’. Hi we have applied custom autnicator for spotfire login. HResult=-2146233079. This script worked was working on v7. HTTP access authentication is explained in HTTP Authentication: Basic and Digest Access Authentication [43]. Use --basic for enabling HTTP Basic with a remote host. FTP Authentication. The remote server returned an error: (401) Unauthorized. The authentication. Loading the web page results in an immediate 401. This method is a command line backup which needs to be run from the BIN folder of Sharepoint. With a value of Direct, you can allow any of the three authentication methods when a channel binding token exists and an SSL connection exists, as long as the channel binding token for the SSL connection matches the channel binding token for the authentication method (Kerberos, NTLM, or Negotiate). First Method Assign the DefaultCredentials to the Credentials property of the Web Service Proxy class to call the Web service while Anonymous access authentication is turned off. The authentication header received from the server was 'Negotiate,NTLM,Basic realm="owa. SNMP disabled or. To use the TM1 REST API, your client application needs to authenticate to the TM1® Server. The remote server returned an error: (401) Unauthorized. --->Microsoft. HTTP access authentication is explained in "HTTP Authentication: Basic and Digest Access Authentication". Error: The remote server returned an error: NotFound (On Application Load) Mitigation: IE Authentication Issue 1. ) Is SSL and IWA together a bit overkill in the first place? I mean the password and login would be sent encrypted in Basic Auth with SSL anyway right? And the benefits of IWA in a non-Domain extranet seem. 2 error: You are not authorized to view this page due to invalid authentication headers. How a RESTful API server reacts to requests. If you just want to test drive Keycloak, it pretty much runs out of the box with its own embedded and local-only database. In our company, we only allow Kerberos authentication on new Windows 2016 and Windows 2019 systems. Even systems with older Windows versions sometimes rely on Kerberos only. See Basic access authentication and Digest access authentication. how about OAB permissions on IIS?i am not sure but i think it is usually basic auth,and integrated windows auth,regarding the SSL cert. We are succesfully able to move from our apllication to spotfire server libraray which is integrated. The advantage of a custom Dynamic DNS server is that it. Create(uriString); req. The authentication header received from the server was ‘NTLM,Basic. Hello everyone, I have been running a SharePoint 2013 farm with Workflow Manager for over 2 years now with no issues, but as of today, all the SharePoint 2013 workflows stopped working. Click the Edit button in the "Authentication and access control" section of the window 6. 0 endpoints to implement OAuth 2. # re: Programmatically Uploading Files To A SharePoint 2007 Document Library i getting below erroe when i run the above code System. (401) Unauthorized - The HTTP request is unauthorized with client authentication scheme 'Negotiate'. ---> System. MailboxReplicationService. 0 if one of the following conditions is true: Kernel Mode Authentication is disabled. Note The Hybrid Configuration wizard that's included in the Exchange Management Console in Microsoft Exchange Server 2010 is no longer supported. Note that to get the access token in OAuth, you need to pass the consumer key, request token, verification code, and private key. i think you will include autodiscover. The remote server returned an error: (401) Unauthorized. MessageSecurityException: The HTTP request is unauthorized with client authentication scheme 'Anonymous'. Integrated authentication is enabled and the request was sent through a proxy that changed the authentication headers before they reach the Web server. It will use POST if setDoOutput(true) has been called. To authenticate using an API Key, use HTTP basic auth with the username set to the API Key's Sid and the password set to the API Key's Secret. ' Inner Exception: The remote server returned an error: (401) Unauthorized. The authentication header received from the server was 'Basic realm="XISOAPApps"'. CompleteGetResponse(IAsyncResult result) +222 [MessageSecurityException: The HTTP request is unauthorized with client authentication scheme. The remote server returned an error: (401) Unauthorized. Everything works just fine as long as I allow anonymous access at the IIS level. uudecode determines how many bytes will be decoded by iterating over the input and checking its table. Click on the Sites button. A customer reported seeing "Unable to connect to remote Exchange server with given credentials" errors in the CRM Monitor. By connecting to WCF WebService with configuration shown bellow you may notice that the client could get sometimes in trouble. ---> System. Click the Edit button in the "Authentication and access control" section of the window 6. Sigh - Outlook Anywhere Exchange 2007 not playing nice with Exchange 2013 The remote server returned an error: (401) Unauthorized. The Web server (running the Web site) thinks that the HTTP data stream sent from the client (e. The server's password is out of date at the domain controller. i am using my wordpress site hosted on 000webhost with https protocol. I am coding in C# using Visual studio 2003, with. "The Remote Server Returned An Error: (400) Bad Request" Aug 7, 2010 using oAuth. In the SharePoint 2013 web app that is setup for claims-based authentication, the ADFS Trusted Provider is chosen (along with Windows) for authentication. JBoss redefined the application server back in 2002 when it broke apart the monolithic designs of the past with its modular architecture. The advantage of a custom Dynamic DNS server is that it. GetResponse fails: remote server returned error: (401) unauthorized. The username and password can be set for both a remote HTTP or FTP server, and for a proxy server. You can use IIS Manager to use change the Authentican Methods required as shown in the images. Please suggest if you find any way out. (how can I insert a domain for my identity?) Two Problems: First: Always get 4XX (401) erro. The client did not produce a request within the time that the server was prepared to wait. No challenge prompt ever appears. –> The Mailbox Replication Service was unable to connect to the remote server using the credentials provided. The remote server returned an error: (401) Unauthorized. Is there any provision to bind different data to the Combo, on Selecting a value in a combo in the Form. So, in my opinion, please post your web. The authentication header received from the server was 'Negotiate,NTLM'.