Thanks for this, interesting article. I was doing some maintenance over the weekend but can't honestly recall exactly what was rebooted and when to be able to tie it in to anything (since I don't know when the problem actually started).
I'm a little confused by the article though, as we are using a dedicated VM for BES Express and it has CDO 1.2.1 installed, which suggests I don't need to turn on Global Catalog Referrals? Thanks, Paul From: David Liu [mailto:ganymed...@gmail.com] Sent: 26 April 2011 23:22 To: MS-Exchange Admin Issues Subject: Re: BES - "Lookup Failed"? I'm surprised this is still happening in BES 5.0 (but going to Ex2k10 soon) but basically we ran into this whenever our DC/GC that BES server's MAP profile's tethered onto goes down for maintenance & BES is left with no GC to refer the lookup requests to. What we've done without applying the patch/enabling GC referral is to note the GC BES is connected to & coordinate reboots. http://www.blackberry.com/btsc/search.do?cmd=displayKC&docType=kc&extern alId=KB16118 On Tue, Apr 26, 2011 at 1:35 PM, John Cook <john.c...@pfsf.org> wrote: I kind of remember having this issue way back in the day, we put a static entry in the hosts file on the BES (we were on 4.1) for the Exchange server and it seemed to clear up the problem, YMMV. John W. Cook System Administrator Partnership For Strong Families 5950 NW 1st Place Gainesville, Fl 32607 Office (352) 244-1610 <tel:%28352%29%20244-1610> Cell (352) 215-6944 <tel:%28352%29%20215-6944> MCSE, MCP+I, MCTS, CompTIA A+, N+, VSP4, VTSP4 From: Paul Hutchings [mailto:paul.hutchi...@mira.co.uk] Sent: Tuesday, April 26, 2011 1:31 PM To: MS-Exchange Admin Issues Subject: RE: BES - "Lookup Failed"? 2003 with all the packs/patches (soon to be 2010). I did find a Blackberry KB article that pretty much just said "if this happens restart the BES", and has not other useful info in it. From: Martin Blackstone [mailto:mblackst...@gmail.com] Sent: 26 April 2011 18:26 To: MS-Exchange Admin Issues Subject: RE: BES - "Lookup Failed"? What is your Exchange version? From: Paul Hutchings [mailto:paul.hutchi...@mira.co.uk] Sent: Tuesday, April 26, 2011 10:14 AM To: MS-Exchange Admin Issues Subject: BES - "Lookup Failed"? Appreciate this is the Exchange list but I also expect many of you use BES so maybe someone's encountered this. We have a dedicated BES Express VM and around a dozen Blackberry's right now. What seems to happen randomly is that sending mail on some/all of the Blackberry's fails, as does the ability to do address book lookups - you just get "lookup failed" on the Blackberry, and restarting the BES fixes it. The BES Express server is running 2003 R2 x64 and the BES Express is 5.0.2.29. Any suggestions would be great. 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