Failed to update the service account on the existing environment(s). Check the above errors, if there are any, for more details. ...

Failed to update the service account on the existing environment(s). Check the above errors, if there are any, for more details. To update the service account on the failed environment(s), please rerun:

TfsLabConfig UpdateServiceAccountOnDeployedEnvironments /collection:{0} /LabEnvironmentIds:{1}