Before executing this command, ensure that you have completed the following steps: 1. Upgrade the SCVMM Server to SCVMM 2012. ...

Before executing this command, ensure that you have completed the following steps: 
1. Upgrade the SCVMM Server to SCVMM 2012. All hosts and library servers must be upgraded to use the new SCVMM agent.
2. Upgrade the SCVMM administration console on all machines of Team Foundation Server Application Tier to SCVMM 2012.
3. Restart the Visual Studio Team Foundation Job Agent and the Microsoft Team Foundation Server Application Pool on all machines of the Team Foundation Server Application Tier.
4. If the computer name of the SCVMM server has been changed after upgrade, reconfigure the SCVMM using the following command:'{0}'.