Mar 14, 2017 In the Microsoft Lync for Mac 2011 Update volume window, double-click the Lync for Mac 2011 Update application to start the update process, and then follow the instructions on the screen. If the installation finishes successfully, you can remove the update installer from your hard disk.
Learning has never been so easy!
Lync for Mac 2011 (versions 14.0.5 - 14.0.7) crashes on startup for some users. This behavior is noted for existing users and is not fixed by re-installing Lync. Lync may work by logging in as a different user on the same machine.
The steps to fix are simple and involve deleting a few files and keychain entries.
9 Steps total
Step 1: Close Lync
Press COMMAND-Q to ensure that Lync is fully closed.
Microsoft Lync For Mac Keeps Disconnecting Working
Step 2: Open Users /Library Folder.
Open a Finder Window then click Go on the top menu.
Hold down the OPTION key and click on Library.
Step 3: Navigate to /Library/Preferences
Delete the following file:
/Library/Preferences/com.microsoft.Lync.plist
Step 4: Navigate to /Library/Preferences/ByHost
Delete the following file:
iMac (Retina 5K, 27-inch, 2017). iMac (Retina 4K, 21.5-inch, Late 2015). Education microsoft office mac. iMac (Retina 4K, 21.5-inch, 2017). iMac (Retina 5K, 27-inch, Late 2014 - 2015).
Delete any keychains on the left that look similar to this:
OC__KeyContainer__. In your Login keychain, delete certificate.
Step 8: Close Keychain Access
Close Keychain Access as it's not needed anymore.
Step 9: Re-Open Lync
Lync does not need to be re-installed. Re-open Lync and complete the user setup wizard. If Lync continues to crash it may need to be re-installed.
If the preceding steps do not correct the issue, use the article below to completely uninstall Lync for Mac. Reboot after un-installing and re-install Lync.