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Error message after you run the MOSDAL Support Toolkit: "There was an exception error during a login attempt"


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Problem

After you run the Microsoft Online Services Diagnostics and Logging (MOSDAL) Support Toolkit, the Active Directory Federation Services (AD FS) diagnostics log contains the following error message:

There was an exception error during a login attempt.

Note The AD FS diagnostics log is located here:
\Admin_Applications\SSO_Diagnostic_Tests\ADFSDiagnostic.txt
In addition, you may notice the following behavior when you sign in to Office 365 resources by using single sign-on (SSO)-enabled user ID credentials:
"There was a problem accessing this site" error message occurs before you can try to provide credentials to AD FS.

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Cause

This issue may occur if one of the following conditions is true:
  • Service problems with AD FS limit access.
  • Problems exposing AD FS to the Internet through reverse proxy limit access.
  • Secure Sockets Layer (SSL) certificate problems occur with the AD FS service.
  • The ls�service endpoint may be disabled in the on-premises AD FS Federation service.
  • Kerberos problems with AD FS limit AD FS logon.
  • AD FS service errors limit AD FS logon.

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Solution

To resolve this issue, use one of the following methods, as appropriate for your situation.

Method 1: Troubleshoot AD FS connectivity

Use the following Microsoft Knowledge Base article to troubleshoot AD FS service problems that might limit connectivity:
2419389�Internet browser cannot display the AD FS webpage when a federated user tries to sign in to Office 365 web resources

Method 2: Troubleshoot AD FS Proxy server functionality

If sign-in problems that are described earlier only occur when you are connected to AD FS from outside the on-premises network, use the following Microsoft Knowledge Base article to troubleshoot AD FS Proxy service problems that might limit connectivity:
2712961�How to troubleshoot the AD FS connection

Method 3: Troubleshoot AD FS SSL certificate problems

If a sign-in attempt to Office 365 web services results in a certificate warning from the AD FS server, use the following Microsoft Knowledge Base article to troubleshoot SSL certificate problems:
2523494�You receive a certificate warning from AD FS when you access Office 365 web resources by using a federated account

Method 4: Reset the AD FS service endpoints to the default configuration

To make sure that the AD FS service endpoint configuration metadata is updated to the Windows Azure Active Directoroy (Windows Azure AD) authentication system, use the "How to update the configuration of the Office 365 federated domain" section of the following Microsoft Knowledge Base article:
2647048 How to update or to repair the configuration of the Office 365 federated domain

Method 5: Troubleshoot Kerberos authentication problems with AD FS

To diagnose and resolve Kerberos authentication problems with AD FS, use the following Microsoft Knowledge Base article:
2461628�A federated user is repeatedly prompted for credentials during sign-in to Office 365

Method 6: AD FS service problems limit sign-in

To diagnose and resolve common AD FS service problems that limit authentication, use the following Microsoft Knowledge Base article:
2713898�"There was a problem accessing the site" error from AD FS when a federated user signs in to�an organizational account�

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More information

Still need help? Go to the Office 365 Community�website or�the�Windows Azure Active Directory Forums website.

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Keywords: o365, mosdal4.5, o365022013, after, upgrade, o365062011, pre-upgrade, o365e, o365m, o365a, KB2707338

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Article Info
Article ID : 2707338
Revision : 12
Created on : 9/30/2013
Published on : 9/30/2013
Exists online : False
Views : 412