Lync Online: How to Troubleshoot Sign-In Issues
Published May 20 2019 04:41 PM 218 Views
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First published on TECHNET on Aug 24, 2012

The Microsoft Support team just released a comprehensive article that describes how to troubleshoot sign-in issues that may occur when you use Microsoft Lync 2010 together with Microsoft Lync Online in a Microsoft Office 365 environment. Read the article at How to Troubleshoot Sign-In Issues in Lync Online .

Author : NextHop

Publication date : August 24, 2012

Product versions : Microsoft Office 365 for enterprises, Microsoft Office 365 for small businesses, Microsoft Office 365 for education

Topics include:

  • Scoping the sign-in problem

  • Lync Online sign-in error messages

  • Resolve Lync 2010 client-side issues

    • Resolve Lync cached endpoints

    • Resolve certificate-related errors in Lync 2010

  • Resolve DNS and network-related sign-in problems

    • Bypass Lync 2010 Autodiscover and DNS resolution

  • Resolve user identity and Office 365 authentication system issues in Lync 2010

  • Next steps, if the issue is not resolved

    • Diagnose authentication issues by using MOSDAL and Snooper

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