Microsoft Lync Client Certificate Installation Steps
Copy certificate chain from one of the working machine to the affected machine,
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- Now install certificate chain in trusted root. Double click on the Microsoft Lync certificate & click on “Install Certificate”
- Click on “Next”
- Click on “Place Certificate in the following store” & click on “Browse”
- Select “Trusted Root Certification Authorities” location to store Lync certificate & click OK.
- Click on “Next”
- Click on “Finish”
- Click on Yes to install this certificate.
- Try to login to the Lync client…
If it fails try below options,
- Open Lync client & click on options icon & select Tools->Options as shown below
- Click on Advanced tab
- Select Manual Configuration & add Internal Lync Server name or ip address IP Address of Lync Server & click on OK
- Now enter your username & password (e.g. santosh.s@doamain.name ) & click on Sign In