When performing a migration, Sharegate displays the following error:
There was a problem contacting the Server Extension. This is often due to an installation problem with the server extension.
Any error code ending with: -051
This error can occur for multiple reasons, and depending on the case, it can be difficult to assess without investigation.
Ensure you have the latest version of the Server Extension installed.
If this error still occurs, you will need to contact the support team, who are familiar with the possible solutions to this issue depending on your specific case, and will be happy to help.