New Agents will not re-assign to ConfigMgr 2012 Site
Many are waiting for ConfigMgr 2012 SP1 before they actually go from ConfigMgr 2007 to ConfigMgr 2012. If you for some reason have a Group Policy that assigns clients to a specified Site code you will hit a barrier migrating your clients with the new Agent. The installation itself will go fine but it stops there. The Group Policy tattoo’s the Assigned Site Code locally on the machines that are hit by the policy. [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SMS\Mobile Client] "GPRequestedSiteAssignmentCode"="PS1" What you can do from here is either change the Site Code in the same, or a new Group Policy hitting the migrated [...]