It's been suggested in the Exchange Team blog's comments about RU6 that the OL 2003 issue won't be fixed until SP2 RU1 .
Cheers, Phil From: Michael B. Smith [mailto:mich...@smithcons.com] Sent: 11 November 2011 22:32 To: MS-Exchange Admin Issues Subject: RE: 2010 SP1 RU5 - possible issues with 2003 client? Yes. This isn't really fixed until sp2. I hope I can say that. Regards, Michael B. Smith Consultant and Exchange MVP http://TheEssentialExchange.com From: Stringham, Steven [mailto:sstri...@lrlaw.com] Sent: Friday, November 11, 2011 5:28 PM To: MS-Exchange Admin Issues Subject: RE: 2010 SP1 RU5 - possible issues with 2003 client? Perfect. So, not a big deal on the back out. Thank you again. Has anybody seen these kinds of problems with RU5? ________________________________ From: Michael B. Smith [mailto:mich...@smithcons.com]<mailto:[mailto:mich...@smithcons.com]> Sent: Friday, November 11, 2011 3:13 PM To: MS-Exchange Admin Issues Subject: RE: 2010 SP1 RU5 - possible issues with 2003 client? Just remove ru5 from Programs/Features. Regards, Michael B. Smith Consultant and Exchange MVP http://TheEssentialExchange.com From: Stringham, Steven [mailto:sstri...@lrlaw.com]<mailto:[mailto:sstri...@lrlaw.com]> Sent: Friday, November 11, 2011 5:09 PM To: MS-Exchange Admin Issues Subject: 2010 SP1 RU5 - possible issues with 2003 client? Background: We have recently moved most of our users from 2003 to 2010 Exchange on SP1 RU3. The clients are still running Outlook 2003 on XP. 2 CAS servers, 2 MBX servers in a DAG. All servers are virtualized. The other day (Oct 29th) we upgraded the firmware from 7.x to 8.x on our NetApp SAN. As a precaution we shut down all the servers ahead of time - including our EX2010 servers. When I shutdown our 2008r2 Ex2010 servers, it applied updates, including the R5 update. Since then there have been several instances of problems displaying folder contents. We select a folder, and it says error communicating with server. If I change to a few other folders, it might come back. It also has had trouble connecting to other shared mailboxes - similar error. One person said they looked in their draft folder, there was only one there, they changed folders, came back, and now there were three. Has anybody else seen anything like this? Barring that, how can we back out RU5 and go back to RU3? Thanks Steven Stringham ________________________________ For more information about Lewis and Roca LLP, please go to www.lewisandroca.com<http://www.lewisandroca.com/>. Phoenix (602)262-5311 Minden (775)586-9500 Tucson (520)622-2090 Albuquerque (505)764-5400 Las Vegas (702)949-8200 Silicon Valley (650)391-1380 Reno (775)823-2900 This message is intended only for the use of the individual or entity to which it is addressed. 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