Unable to change the Coexistence mode from Islands to Teams Only
If you have upgraded your Skype for Business users to Teams and want to update the Teams co-existence mode to “Teams Only” so that users can only use Teams but still join meetings hosted in Skype for Business. To change the coexistence mode. Open Teams Admin Portal -> Org-wide settings -> Teams upgrade Change the co-existence mode to “Teams only”. You may get below error as we see in the below screenshot. There is not much information on this portal to troubleshoot this issue. However, we will try using powershell to set the co-existence mode to “Teams only” mode to see if we get more information on the console. Using …