I just moved a client to Office 365. I can't get one Windows 7 Pro computer in the office to connect to any office 365 mailbox. It acts like the username and password are wrong but I know it is correct.
I can connect to that users mailbox from other computers.
The computer had Office 2016. After four hours I uninstalled that and installed Office 2010. Still can't connect.
I tried setting up Outlook 2010 manually.
I tried in safe mode.
I can ping autodiscover.domain.com and I get the same IP address that other working computers get.
I tried using a different user profile on the computer
I ran MS Support and recovery tool assistant https://support.microsoft.com/en-us/help/4055050/how-to-scan-your-outlook-configuration
. It worked fine on other computers. On this computer it immediately gives the error "Sorry, something happened while we were troubleshooting your problem, and we can't continue. We've notified our engineers about the problem so they can fix it" I also ran this in safe mode.
Other than reinstalling the OS, any ideas