Lync Login Error - There was a Problem Acquiring a Personal Certificate Required to Sign in

Introduction: 

Here I will explain how to solve the problem of “There was a problem acquiring a personal certificate required to sign in, If the problem continues, please contact your support team.” while login in to Lync communicator in windows 8. Actually this problem occurs when our cached credentials of Lync get corrupted. To fix this problem we need to delete existing certificates and login with your details it will fix your “Cannot sign into Lync. There was a problem acquiring a certificate from the server.” 

Description:

In previous posts I explained physical path but a virtual path was expected in asp.net, jQuery the length of the string exceeds the value set on the maxjosnlength property, jQuery show asp.net exception error message, upload and download files from database in asp.net, download multiple files as zip folder in asp.net and many articles relating to solve errors in asp.net, SQL Server, IIS, etc. Now I will explain how to solve the problem of “There was a problem acquiring a personal certificate required to sign in, If the problem continues, please contact your support team.” while login in to Lync communicator in windows 8.

Once login to system when I tried to sign in to Lync communicator I got problem like as shown below

Actually this error occurred whenever our cached version of credential certificates get corrupted.

To fix this problem we need to remove existing certificates and login freshly will fix this problem for that for follow following steps

      1.    Go to Start à Control Panel à User Accounts and Family Safety à Credential Manager

      2.    In manage your credentials screen check for set of credentials that is connected to Lync online

      3.    Expand set of credentials which using to connect Lync and remove it like as shown below

Once we delete credentials now try to re-login Lync communicator with your login details.

I hope it helps you to solve your problem. Happy Coding……

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