31 October 2013

Microsoft Lync 2013: Error 1406 Could not write value to key

Posted By: Mick Pletcher - 10:07 AM


& Comment

This error is caused by registry key permissions. The first thing I did was to go in and change the permissioning to everyone on the key(s) it was not able to write to. This did no good. To get right to the solution after much more troubleshooting, I ended up deleting the Key and subkeys under the CLSID. This was the only way I was able to resolve the issue. I am not saying to delete every key under CLSID, but only the one specified in the error message and its subkeys. This resolved the issue and caused no other issues with the rest of the office suite. I would recommend backing up the key before doing this.

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My blog is here to help solve issues I have encountered and solved, publish scripts I have written, and educate others in understanding areas that are not well covered


  1. Could you please share the CLSID resides Lync Registry path


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