Server 2012 R2 with all clients at Windows 7 Pro 64 bit.
Had two DCs (Server 2008 R2), added the Server 2012 R2, took down the old main 2008R2, things were working fine, but as of last week PCs are slowly losing GPO settings. Saying there is a mismatch, or that the policy is empty. Tried the hotfix for the server, no luck. Nothing seems to apply to having a Windows 7 PC.. any ideas?