We have migrated all mailboxes to Exchange Online and felt we were in a position to shutdown the last on-prem 2016 Exchange Server. We followed the instructions in the following article to shutdown the last Exchange Server and manage recipients using the Exchange 2019 Management tools. 

https://learn.microsoft.com/en-us/exchange/manage-hybrid-exchange-recipients-with-management-tools

When we open the Exchange Management Shell on the server running the new management tools it attempts to connect to the old Exchange Server.

What do we need to do so the Exchange Management Tools stops connecting to the old exchange?

​We have migrated all mailboxes to Exchange Online and felt we were in a position to shutdown the last on-prem 2016 Exchange Server. We followed the instructions in the following article to shutdown the last Exchange Server and manage recipients using the Exchange 2019 Management tools. https://learn.microsoft.com/en-us/exchange/manage-hybrid-exchange-recipients-with-management-tools When we open the Exchange Management Shell on the server running the new management tools it attempts to connect to the old Exchange Server.What do we need to do so the Exchange Management Tools stops connecting to the old exchange?  Read More

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