We are probably saying the same thing. Notice the first sentence in the article below and the KB article below that.
http://technet.microsoft.com/en-us/library/cc731654(WS.10).aspx http://support.microsoft.com/kb/942564 Those are the only places I've seen it documented. At a couple of clients I've run with 2008 and 2008 R2 DCs for several days up to a week, with no issues until we bumped the DFL/FFL. That's when the items described at the above websites hit. From: Michael Waltonen [mailto:walto...@umn.edu] Sent: Friday, January 08, 2010 9:29 AM To: NT System Admin Issues Subject: RE: Adding 2008 DC's... I haven't seen anything documented about raising the DFL/FFL causing security changes. Do you have anything about this that you can share? I have seen the 2008 DCs removed some crypto options from netlogon, but there's a GPO setting to add the support back. -Mike From: bounce-8784996-8243...@lyris.sunbelt-software.com [mailto:bounce-8784996-8243...@lyris.sunbelt-software.com] On Behalf Of Michael B. Smith Sent: Thursday, January 07, 2010 12:51 PM To: NT System Admin Issues Subject: RE: Adding 2008 DC's... It removes a number of "obsolete" security options. I quote the word "obsolete" because some older/insecure products depend on them. Older versions of SAMBA for example. Some NAS that based on older versions of SAMBA, etc. I ran into a product at one customer called a "CAS" that allowed a single sign-on to Apache/IIS/and Windows by actually doing a man-in-the-middle attack! It depended on this too. From: David Lum [mailto:david....@nwea.org] Sent: Thursday, January 07, 2010 1:36 PM To: NT System Admin Issues Subject: RE: Adding 2008 DC's... >From what I've read changing the functional level to 2008 doesn't really "do" >anything I particular anyway, right? From: Michael B. Smith [mailto:mich...@smithcons.com] Sent: Thursday, January 07, 2010 9:09 AM To: NT System Admin Issues Subject: RE: Adding 2008 DC's... You have to run the schema upgrade, but nothing says that you ever have to bump the domain functional level or the forest functional level. I've done this for a number of customers, with no ill effect. I'd recommend you roll out 2008 or 2008 R2. It'll save you work in the future. From: David Lum [mailto:david....@nwea.org] Sent: Thursday, January 07, 2010 12:00 PM To: NT System Admin Issues Subject: Adding 2008 DC's... We have an environment with five 2003 Server DC's. I need to roll out two new DC's and would like to make them 2008 Server. Do you guys consider this a major or minor infrastructure change? I'm on the fence - existing DC's are untouched save for running ADPREP on the schema master, otherwise the existing DC's are untouched. Lots of new features though and to me just as importantly 2008 will be supported for years to come. My fellow SE's are telling me to just roll out 2003 and call it good, but to me it seems silly since our DC's typically hang around a long time (6+ years currently), and in 5 years security patches go away for 2003 (extended support ends 7/2015, and mainstream support ends 7/2010). Comments? 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/> ~
