We have two on-premise Exchange 2010 servers, and one Exchange Online (O365 for Business).

I've changed the password for our O365 Global Admin account (which is also used to connect the hybrid set-up) and now when I jump on to our On premise server, I can't view mailbox, distribution group etc through the EMC.

Can anyone point me in the right direction on where I update the credentials for the Administrator Identity within our on-premise Exchange server for our Remote server?

Do I need to use Powershell for this?

Regards, Vas


In the EAC, right-click the top node and just re-add the O365 connection as a new forest. It will ask you for credentials to connect.

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