When changing the coexistence mode to Teams only you get the following error: Please see the unsaved sections higlighted in red below:
We cannot see what the problem is when switching to teams only. With powershell it has better error messages. Use the following powershell to connect to teams and change the tennant
#Connect with the SkypeOnlineConnector
$sfbSession = New-CsOnlineSession
#Change the tennant to TeamsOnly
Grant-CsTeamsUpgradePolicy -PolicyName UpgradeToTeams -Global
The following message appears:
This organization cannot be upgraded to TeamsOnly at the tenant level because there is an on-premise deployment of Skyp e for Business detected in 1 or more of it sip domains
To change this use the following command:
Disable-CsOnlineSipDomain -Domain domainname
After all domains have been altered, you can change the tenant to TeamsOnly with Powershell or the GUI:
Microsoft teams can send welcome messages when a user is added to the teams. This behavior can be altered with powershell
The current setting for the team can be checked with powershell. To run this, you need to be connected to Microsoft 365. For Microsoft 365 management you can install the “Microsoft Exchange Online Powershell Module” from Microsoft 365.
It can sometimes be useful to get a list of Office 365 users with a specific license type via PowerShell. Instead of logging into the Office 365 portal and using a filtered view in the admin center, you can do it straight from the command line.
Connect to Office 365 via Powershell. If this cmdlet doesn’t work for you, follow this quick guide for instructions on installing the required PowerShell module.
Run Get-MsolAccountSku to get a list of the current licenses in your Office 365 tenant. Make a note of the AccountSkuId value for the license you want to filter on.
Now you can edit this short script to get the users matching that license. In this case, we’re getting users with the EnterprisePremium license.
Replace EnterprisePremium with the AccountSkuID you’re trying to filter by. Since we’re using the -match operator we don’t need to type the entire AccountSkuID, we can just type enough of it to ensure that we’re only retrieving that specific one.
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