If you are deploying Microsoft Teams but don’t want it to start on login, or force users to login to disable the auto start then you can do it after installation of Teams simply by editing a file.
The file is located in the install location of the Teams installer, by default is it here:
"%programfiles% (x86)\Teams Installer\setup.json"
The contents of the file should be as follows:
Once this is done, Teams will no longer start up on login of any user by default.
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