TF259193: Team Foundation Server encountered an error while it restored the following environment to the snapshot: {0} to ...

TF259193: Team Foundation Server encountered an error while it restored the following environment to the snapshot: {0} to snapshot {1}. Team Foundation Server could not reset the test agent on virtual machine {2}. The cause of this error is: {3}.

If this environment has been cloned from another environment, this error might affect the agents that are running on the source environment from which this environment is cloned. If the source environment is not Ready, wait several minutes and then use the Repair command.