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Old 05-12-2009, 08:13 AM   #1 (permalink)
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Default Excessive Dispatcher / SRP disconnects

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Since 10PM central yesterday, I have had 15 SRP disconnects. It reconnects seconds later. No changes have been made to the server and the network team says no problem with firewalls or ISP. Has anyone else seen these issues?

Thanks

Jim

<N/A> | BlackBerry Dispatcher (Application Event Log on xxxx-BBMS-01) | 05/11/2009 21:51:25 (6FFFC3B1) -> [SRP] Dispatcher\SRP Connection dropped, Error=0
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Old 05-12-2009, 09:19 AM   #2 (permalink)
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is the SRP Connection dropped coupled with a SRP Connection established within 1 minute or 2 as per designed for BES? Or you are seeing totally dropped dead?

SRP Connection dropped with code "0" is not a concern, but you should be concern if the number is a non-zero.

Check if SQL server is having issues around those time, because if this connection is lost, your Dispatcher will be stopped and hence SRP connection dropped.
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Old 05-12-2009, 09:24 AM   #3 (permalink)
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I'm also getting excessive drops, and in a GW env't it can cause phones to show as out of coverage. The fix is to restart the dispatcher service, or upgrade to 4.1.6 mr3.
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Old 05-12-2009, 09:25 AM   #4 (permalink)
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No, it reconnects seconds later. The issue is that I usually see 1 or 2 of these per week.
There have been 12 more disconnects since I posted the original message.

I am on 416 MR4 Exchange

Last edited by flatfour : 05-12-2009 at 09:30 AM.
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Old 05-12-2009, 09:28 AM   #5 (permalink)
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Then better check if your computer hosting BES has any NIC issues. I do not know if there are any tools that can be installed on the BES to see network connectivity trends on the packets to the BlackBerry Infrastrutcure. Maybe someone more experienced can advise here.
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Old 05-12-2009, 11:16 AM   #6 (permalink)
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I'm having the same issue. Today alone we've had 112 alerts between two BES indicating a drop and then immediate reconnect. I understand that this isnt totally critical but still it's a bit alarming.

Thanks!
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Old 05-12-2009, 12:34 PM   #7 (permalink)
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I am also seeing a lot of SRP disconnects with SRP Address: srp.us.blackberry.net

This just started at 12:06 PM EDT. All error 0.

Running BES 4.1.6 MR4 for Exchange
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Old 05-12-2009, 12:43 PM   #8 (permalink)
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My drops are also in the hundreds, and counting every few minutes. I contacted support and there are currently no down services. My magt log and dispatcher logs show pipe full, but I'm also getting sporadic no replies to a ping -t on srp.us.blackberry.net. I believe something's afoot, and it's not on my side of the house.
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Old 05-12-2009, 01:13 PM   #9 (permalink)
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No SRP issues here in Boston, MA

Lost a RAID drive on the BES, but a new one is on its way.
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Old 05-12-2009, 02:00 PM   #10 (permalink)
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SRP has been bouncing on both of my BES all day.
(Long Island, NY)

I suspect RIM knows about it and is quietly working in the background.
Just because they haven't said there's a problem, that doesn't mean they aren't having one.
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Old 05-15-2009, 12:11 PM   #11 (permalink)
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Just following up on this...

SRP disconnects stopped around 2:30 PM on 5-12-2009. No disconnects since then. All is well.
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Old 05-15-2009, 06:18 PM   #12 (permalink)
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Actually there is nothing to be alarmed as long as the error is 0 and the SRP connection dropped but picks itself up again. Why waste my energy and time worry about it as long as BES works as it is designed and messages are flowing although a little delay. Anyway only PIN messages are almost immediate, messages are always delayed; unless one is really VERY free to monitor every minutes when it should be arriving.
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Old 05-15-2009, 08:46 PM   #13 (permalink)
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Quote:
Originally Posted by noname View Post
Anyway only PIN messages are almost immediate, messages are always delayed
Nonsense.
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Old 05-16-2009, 08:00 AM   #14 (permalink)
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Quote:
Originally Posted by penguin3107 View Post
Nonsense.
It's true. Do some thinking. I still standby my statement.

Give you a hint.

PIN messages are sent to wirless network -> RIM -> wireless network -> receiver's handheld.

Email messages are sent to sender's messaging server -> sender's BES -> wireless network -> RIM -> wireless network -> receiver's messaging server -> receiver's BES -> receiver handheld.

Isn't it obvious?
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Last edited by noname : 05-16-2009 at 09:58 AM.
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Old 05-16-2009, 10:58 AM   #15 (permalink)
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Quote:
Originally Posted by noname View Post
It's true. Do some thinking. I still standby my statement.

Give you a hint.

PIN messages are sent to wirless network -> RIM -> wireless network -> receiver's handheld.

Email messages are sent to sender's messaging server -> sender's BES -> wireless network -> RIM -> wireless network -> receiver's messaging server -> receiver's BES -> receiver handheld.

Isn't it obvious?
You're splitting hairs.
If the difference can be measured in milliseconds, as with this comparison, i'd hardly call it "a delay" that will be noticed by the end user.
A properly configured BES environment will result in nearly immediate message delivery to the handheld.
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Old 05-16-2009, 07:11 PM   #16 (permalink)
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Yeah, I was technically speaking Technically, there is already a delay (in terms of milliseconds) in a properly configured environment. In the real world, the delaying areas are always the internal networks hosting their messaging servers + BES (assuming the wireless networks are perfect). I have not added the WAN which is usually slow. My point is still technically valid, dude =)
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