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Change Teams default login
I work for a company that has recently been acquired by another company. Both companies have O365 tenants and we are working to move some services to the new company. The problem I have is that my Te...
DaGbyte Hi David, would it be an alternative to prevent the automatic population of the UPN? If applicable you can use this reg key.
Turn off pre-population of the UPN:
Computer\HKEY_CURRENT_USER\Software\Microsoft\Office\Teams
SkipUpnPrefill (REG_DWORD)
0x00000001 (1)
I was finally able to log on with a different (pre-existing) account than the one that somehow got defined on a new laptop by unchecking, in the settings, "Auto-start application."