We have recently migrated to Windows 7 Pro on our desktops (260 units)and Server 2012 R2for ourdomain controllers (2 Units). Obviously it has been an educational experience with plenty of little gremlins running around but the most annoying one has been severalworkstations that appear too loose there trust relationship with the DC. When any user even domain admin logs in to these workstations the get the error: "The trust relationship between this workstation and the primary domain failed".
Attemptedsolutions: I triedsimple rejoining the PC to the domain from the local admin account. This works but the next day the problem returns. Then thinking it is some SID issue I did a fresh install of O/S instead of our tested and proven image, still problem returns.
Next now thinking "I have no idea" I deleted the AD record of the PC then...