We had all BES centralized at one point at one time until we hit a certain point. Now we have two BES front ends. One on the East Coast of the US and the other on the West Coast.
BES is essentially a sequential reading outlook client and over time it's performance doesn't scale well with Exchange servers it's remote to. Steven On Mon, May 10, 2010 at 9:56 AM, Kurt Buff <[email protected]> wrote: > Or perhaps WAN utilization changed. Do you have stats on that you can refer > to? > > On Mon, May 10, 2010 at 09:33, Roger Wright <[email protected]> wrote: >> The BES and BE servers are connected over a WAN link. What confuses >> us, though, is this delay just started about 10 days ago. Prior to >> that the messages would sometimes hit my BB a second or two before >> they'd appear in my Outlook folders. >> >> I know, I know... "what changed?" That's what I'm trying to >> determine... Perhaps a BE server reboot is in order. >> >> >> Die dulci fruere! >> >> Roger Wright >> ___ >> >> >> >> >> On Mon, May 10, 2010 at 12:22 PM, Brian Hintz <[email protected]> wrote: >>> Assuming this BES and BE server are separated by a WAN link, you may be >>> running into a common problem with the BES product. >>> >>> RIM usually recommends that the BES is as close to the mailbox as possible. >>> The latency between the BES and the mailbox can prevent the UDP messages >>> from reaching the BES messaging agent in a timely manner so mail isn't >>> picked up and delivered to the handset in real time. >>> >>> The 20 minute delay is the manual mailbox reconciliation process that the >>> BES runs to catch any mail that is missed. >>> >>> See this link in the RIM KB for an explanation of latency impact - >>> http://www.blackberry.com/btsc/search.do?cmd=displayKC&docType=kc&externalId=KB14139&sliceId=SAL_Public&dialogID=53728817&stateId=0%200%2027577931 >>> >>> and this one for debugging steps - >>> http://www.blackberry.com/knowledgecenterpublic/livelink.exe/fetch/2000/7979/1181821/278286/745137/Capacity_Planning_and_Performance_Tuning_for_Environments_Using_the_BlackBerry_Enterprise_Solution.pdf?nodeid=973626 >>> >>> >>> >>> On Mon, May 10, 2010 at 10:45 AM, Roger Wright <[email protected]> wrote: >>>> >>>> Our BES server is located in the parent office where the Exchange 2003 >>>> FE server resides and the Exchange BE server is in our local office. >>>> >>>> For the past week or so BB messages are arriving about 10-20 minutes >>>> behind the time the messages hit the users's mailboxes on our BE >>>> server, for both AT&T and Verizon clients. Our parent office >>>> indicates no problem for their users. >>>> >>>> Does this sound like a FE, BE, or BES issue? >>>> >>>> >>>> >>>> Die dulci fruere! >>>> >>>> Roger Wright >>>> ___ >>>> >>>> ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ >>>> ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ >>> >>> >>> >>> >> >> ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ >> ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ >> >> > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
