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# If the SSH certificate changes...

If the connector VM is redeployed, its SSH certificate will change and will no longer be able to use Instant Connector Deployment to deploy connectors to the VM. In this case, take the following steps to re-enable Instant Connector Deployment to the re-deployed VM.

1. Connect to the ArcMC's VM.
2. Change to the directory `/home/<non root user>/.ssh`
3. Open the file `known_hosts`.
4. Delete the line with the IP or hostname of the Connector's VM.
5. Save the file.