You have to do an authoritative forest restore. To put it simply, it's a non-trivial operation.
Therefore: test in a lab and isolate the server where you are doing the schema updates until you are certain they succeeded. There are several times I can remember problems with schema updates: inetOrgPerson in Exchange 2003 vs. Windows 2003 (remember that Exchange 2003 could be installed on Windows 2000), Services For Unix UID attributes, etc. From: David Lum [mailto:[email protected]] Sent: Monday, December 14, 2009 9:42 AM To: NT System Admin Issues Subject: Extend Schema One you extend an AD Schema, is there really any way to roll back? Has anyone ever heard of needing to do so? David Lum // SYSTEMS ENGINEER NORTHWEST EVALUATION ASSOCIATION (Desk) 971.222.1025 // (Cell) 503.267.9764 ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
