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NLB stop after pressing apply during high load

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NLB stop after pressing apply during high load - 22.Oct.2010 3:28:04 AM   
kbloke

 

Posts: 57
Joined: 17.Mar.2008
Status: offline
Hi All,

I have an array of 3 servers ISA 2006 Enterprise. The problem is when during high load when I make changes and I press apply, the NLB for all these 3 servers will stop running. I will have to restart the firewall service manually or restart the servers to resolve this. This is the alert that we get :

ISA Server name: BEAVERTN-SVR-4S
One or more of the actions associated with alert NLB Stopped - Configuration Failure has failed, due to configuration settings. The mail server may be down, or the specified command may not exist. Check for related errors and fix them accordingly.

Any feedback is appreciated.
Post #: 1
RE: NLB stop after pressing apply during high load - 22.Oct.2010 4:14:54 AM   
kbloke

 

Posts: 57
Joined: 17.Mar.2008
Status: offline
One thing extra to add. When I check the event viewer this is what I see :

the firewall service failed to apply the network load balancing configuration on the local computer. the failure is due to error: insufficient system resources exist to complete the requested service.

Thanks.

(in reply to kbloke)
Post #: 2
RE: NLB stop after pressing apply during high load - 22.Oct.2010 2:50:14 PM   
Jason Jones

 

Posts: 4663
Joined: 30.Jul.2002
From: United Kingdom
Status: offline
It sounds like you need to scale out!

Have a look at the following performance monitoring guidelines and see if you are hitting some of the limits: http://blogs.isaserver.org/shinder/2008/10/21/tips-for-isa-firewall-performance-assessment/

Do you get any event log errors about the Web Proxy memory pool? If so, this may help: http://support.microsoft.com/kb/842438

Cheers

JJ

_____________________________

Jason Jones | Forefront MVP | Silversands Ltd
My Blogs: http://blog.msedge.org.uk/ and http://blog.msfirewall.org.uk/

(in reply to kbloke)
Post #: 3

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