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Error "Object reference not set to an instance of an object" when you move users to Lync Online

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Symptoms

Consider the following scenario:
  • You install Core Components (OcsCore.msi) on a computer that is running Microsoft Lync Server 2013.
  • You install and then uninstall Windows PowerShell Module for Lync Online (LyncOnlinePowerShell.exe) on the same computer. 
In this scenario, Microsoft Online Services Sign-In Assistant (MSOIDCLIL.dll) is uninstalled unexpectedly. Additionally, you cannot move users to Lync Online by running the Move-CsUser cmdlet in Lync Server Management Shell.

When you try to move users, you may receive the following error message:
Move-CsUser : Object reference not set to an instance of an object.

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Workaround

To work around this issue, you must reinstall OcsCore.msi, or reinstall LyncOnlinePowerShell.exe.

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More Information

OcsCore.msi may be installed when you install one of the following products.
  • Lync Server 2013
  • Lync Server 2013 - Administrative Tools
For more information about the update for Windows PowerShell Module for Lync Online, click the following article number to view the article in the Microsoft Knowledge Base:
2955286 Update for Windows PowerShell Module for Lync Online: April, 2014
For more information about how to move users to Lync Online, go to the following Microsoft website:
How to move users to Lync Online

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Keywords: kbqfe, kbsurveynew, kbexpertiseinter, kberrmsg, kb

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Article Info
Article ID : 2955289
Revision : 1
Created on : 1/7/2017
Published on : 4/11/2014
Exists online : False
Views : 224