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Old 11-02-2007, 12:58 PM   #1 (permalink)
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Default Multiple Logons to exchange server from BESADMIN

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I have about 25 users on my BES server. 3 of these users have multiple logons from besadmin account in their mailbox

admin groups/first admin group/servers/<server name>/first storage group/mailbox store/logons

on one user alone i have 29 logons from the besadmin account to the users mail box.

if i restart the blackberry services on the bes server they will go away but will return minutes later.

I have been having this problem for a while and have tried to resolve it by installing all service packs on the exchange server and BES Server.


bes is at 4.1.4 MR2
exchange server is 2003

Blackberry devices are 8800's

If you need more info just ask

thanks in advance
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Old 11-05-2007, 08:42 AM   #2 (permalink)
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I have been looking at this more and see that the connection happens every 24 minutes maybe that will trigger something in someone
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Old 11-06-2007, 12:38 AM   #3 (permalink)
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This is a problem? How?
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Old 11-06-2007, 03:18 PM   #4 (permalink)
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Doesn't the service account scan all mailbox every 20 mins? I believe you will also see it hitting the mailbox everytime they do a lookup, wireless calendar, reconcile, send etc
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Old 11-08-2007, 08:34 AM   #5 (permalink)
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Not sure if it is a problem.... But it doesnt seem right. if a connection is made to the server once that transaction is complete it should disconnect. The BesADMIN account never releases these unless i do 1 of 2 things. if i restart the services on the BES Server or if i Restart the Store Service on the exchange Server.
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Old 11-08-2007, 09:55 AM   #6 (permalink)
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In fact, this is right. If BES were to close a session each time it were done with a specific task it would dramatically increase both the load on itself and Exchange. By keeping the MAPI connection open BES knows what state the mailbox is in; and is also notified by Exchange when new messages / changes arrive. If these connections weren't open the only way new data would get processed would be via mailbox rescan which is a resource intensive task for both Exchange and BES and would cripple the environment with large mailboxes / deployments.

Restarting the services will indeed clear these connections ... but your mail will be delayed for a period after this ...

it may seem counter-intuitive at first to have connections remain open, but in fact, Outlook persists its connection when it is connected to Exchange ... BES does the same to ensure timely delivery.
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Old 11-08-2007, 10:04 AM   #7 (permalink)
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If it helps any, we run goodlink and see the same activity on their respective accounts...

hdawg got it right...
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Old 11-08-2007, 02:36 PM   #8 (permalink)
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And I do agree with you. I'm just wanting to check and make sure I don't have a problem brewing that will raise its ugly face at the most inopportune time.

I understand the persistent connection but if you read my post carefully you will see that by the end of the day the BES server or besadmin account on one user account will have up to 60 connections. if I let it continue to the next day the end count is nearly 120.

To me this just cant be good. All other users will maintain 1 to 5 connections regardless.

Do you know of a Microsoft doc that may state this may be normal or expected behavior. Just need something to appease the boss
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Old 11-08-2007, 02:57 PM   #9 (permalink)
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Quote:
Originally Posted by tfarmer View Post
And I do agree with you. I'm just wanting to check and make sure I don't have a problem brewing that will raise its ugly face at the most inopportune time.

I understand the persistent connection but if you read my post carefully you will see that by the end of the day the BES server or besadmin account on one user account will have up to 60 connections. if I let it continue to the next day the end count is nearly 120.

To me this just cant be good. All other users will maintain 1 to 5 connections regardless.

Do you know of a Microsoft doc that may state this may be normal or expected behavior. Just need something to appease the boss
I've taken a peek at a few servers and from the look of things I've seen similar data on some servers. Did this quantity of connections change at any point in your troubleshooting? Did you notice a lower connection rate from past versions of BES?

As a point of reference a single RPC over HTTPS session will maintain over 5 connections per connected client. I don't have anything from MS that says if this would be normal ... nor do I know of anything posted by RIM. Sorry, I wish I could help you more with this.
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