If we disabled TLS 1.0 and enable 1.1 will Lync still work?
Sure. Lync server 2013 offers TLS encryption protocols in the following order to clients: TLS 1.2, TLS 1.1, TLS 1.0.
For more details, please refer to this document.
If the response is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.