Symptoms
The Insane Mode button is disabled
ShareGate Migrate displays the following warning:
To maximize your maximum migration speed you must install the ShareGate Migrate Extension version 1.8.3 or greater on your source and destination servers.
Error code
Not applicable.
Details
ShareGate Migrate detected that either the source, destination or both servers is missing the ShareGate Migrate Extensions version 1.8.3 or greater. The migration will still work, but you won't benefit from the maximum migration speed.
Solution
Make sure that the Server Extension is installed on your source and destination servers. For more details about the ShareGate Migrate server extension installation.
Also, if you are migrating to Microsoft 365, you need to make sure that you configured ShareGate Migrate correctly to use your Azure account. More details here.