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You cannot sign in to a Lync Phone Edition telephone after a root certificate for Lync Server 2010 or Lync Server 2013 is renewed

Symptoms

Consider the following scenario:
  • A root certificate for Microsoft Lync Server 2010 or Lync Server 2013 is expired in an organization that uses internal certification authority (CA). 
  • The root certificate is renewed.
  • You try to sign in to a Lync Phone Edition telephone in the Lync Server 2010 or Lync Server 2013 environment.
In this scenario, you cannot sign in to the telephone. Additionally, you receive the following error message:
Cannot sign in. Please verify your sign-in address, domain\user name, and password, and then try again. Ensure that your domain domainName was entered correctly.

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Cause

This issue occurs because an operation that checks error code fails. The operation fails because the root certificate expired. Therefore, the telephone does not download the new root certificate.

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Resolution

To resolve this issue, install the following cumulative update, as appropriate for the telephone that you use:
  • 2889241 Description of the cumulative update for Lync Phone Edition for Aastra 6721ip and Aastra 6725ip: October 2013
  • 2889243 Description of the cumulative update for Lync Phone Edition for HP 4110 and HP 4120: October 2013
  • 2889244 Description of the cumulative update for Lync Phone Edition for Polycom CX700 and LG-Nortel IP Phone 8540 telephones: October 2013
  • 2889246 Description of the cumulative update for Lync Phone Edition for Polycom CX500, Polycom CX600, and Polycom CX3000 telephones: October 2013

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Keywords: kbqfe, kbfix, kbsurveynew, kbexpertisebeginner, kberrmsg, kb

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Article Info
Article ID : 2890844
Revision : 1
Created on : 1/7/2017
Published on : 10/7/2013
Exists online : False
Views : 273