"Microsoftonline.com could not be accessed" error after you run the MOSDAL Support Toolkit

Article ID: 2707331 - View products that this article applies to.

Not sure what release of Office 365 you're using? Go to the following Microsoft website:
Am I using Office 365 after the service upgrade?
(http://office.microsoft.com/redir/HA103982331.aspx)
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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 shows the following error:
Microsoftonline.com could not be accessed.
Note This log is located at Admin_Applications\SSO_Diagnostic_Tests\ADFSDiagnostic.txt.

Additionally, when you use single sign-on (SSO)-enabled user ID credentials to sign in to Office 365 resources, the client computer may be unable to resolve IP addresses for microsoftonline.com.
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CAUSE

This issue may occur if there are network problems that limit access to Office 365.
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SOLUTION

To resolve this issue, click the following article number to view the article in the Microsoft Knowledge Base:
2637629
(http://support.microsoft.com/kb/2637629/ )
How to troubleshoot computer issues that limit Office 365 rich client authentication

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MORE INFORMATION

Still need help? Go to the Office 365 Community
(http://community.office365.com/)
website.
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Properties

Article ID: 2707331 - Last Review: May 15, 2013 - Revision: 6.0
Applies to
  • Microsoft Office 365 for enterprises (pre-upgrade)
  • Microsoft Office 365 for education  (pre-upgrade)
  • Windows Azure Active Directory
Keywords: 
o365 o365a mosdal4.5 o365e o365p o365m o365062011 pre-upgrade o365022013 after upgrade KB2707331
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