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Direct Push Heart beat interval - 21.Aug.2008 2:22:30 AM

Sybrix

Posts: 13
Joined: 15.Jul.2002
From: AUSTRALIA
Status: offline

Hi Guy,

I don't remmeber to add any value in the Heartbeat interval. The key is HKLOCAL_Machine\System\CurrentControlset\Services\Massync\Parameters

- HbiAlertThreshold              Dec value = 1
- HbiSampleSize                   Dec value = 1680
- MaxHeartbeatInterval         Dec value = 690
- MinHeartbeatInterval          Dec value = 480

What is the recommended value, is there any link for best practiceses? Thanks

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RE: Direct Push Heart beat interval - 21.Aug.2008 6:13:41 AM

123raghu

Posts: 59
Joined: 18.Mar.2008
Status: offline

Check out these article, as it might help u.......

Direct Push is just a heartbeat away
http://msexchangeteam.com/archive/2006/04/03/424028.aspx

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It is not how much you do, but how much love you put in the doing......

(in reply to Sybrix)

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RE: Direct Push Heart beat interval - 21.Aug.2008 6:22:22 AM

123raghu

Posts: 59
Joined: 18.Mar.2008
Status: offline

And just got to know that u have ISA in your environment from u'r other posts...so check out the article "http://support.microsoft.com/kb/905013/en-us"

_____________________________

It is not how much you do, but how much love you put in the doing......

(in reply to 123raghu)

Post #: 3

RE: Direct Push Heart beat interval - 21.Aug.2008 6:45:11 AM

Sybrix

Posts: 13
Joined: 15.Jul.2002
From: AUSTRALIA
Status: offline

123raghu: thank for the link and the article, so the new value

- HbiAlertThreshold              Dec value = 480 sec
- HbiSampleSize                   Dec value = 200 sec
- MaxHeartbeatInterval         Dec value = 2700 sec
- MinHeartbeatInterval          Dec value = 60 sec

Can anyone commence on these value? that should be OK right?
Also, if the value was set incorrectly; could that cause connectivity issues? as in for example....... I have a client that read then unread 20 message in the his mailbox. When the sync occur on the mobile device, it's sometimes pickup a 3-5 unread e-mail. Would this be the cause of the heartbeat value?

Error shown in ISA 2004 server, when problem occur....

- 10054 an existing connection was forcibly closed by the remote host (from active sync user using mobile device)

- a non-SYN packet dropped because it was sent by a source that does not have established connection with the ISA server computer

I have increase the ISA 2004, time out from 120 sec to 600 sec

Anyone can shed some light into this, any commence would be greatly appreciated !! Thanks

(in reply to 123raghu)

Post #: 4