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ISA 2006 NLB Host Unreachable

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ISA 2006 NLB Host Unreachable - 9.Sep.2008 12:04:56 PM   
jthomas48

 

Posts: 5
Joined: 25.Jul.2005
Status: offline
I have just setup a 2 member ISA 2006 Enterprise Cluster running on WIndows Server 2003 SP2 and am having an issue with NLB.

NLB on each server cannot contact the other.

Error: Host Unreachable, error connecting to "server"

I have intra-array communication setup on a crossover, and  it looks like ISA can see both members.
When I try to ping over this connection. I get no response.

I am sure you will need more Info. Just ask and I will provide.

Thanks in Advance.

Post #: 1
RE: ISA 2006 NLB Host Unreachable - 9.Sep.2008 4:22:41 PM   
Jason Jones

 

Posts: 4663
Joined: 30.Jul.2002
From: United Kingdom
Status: offline
Have you defined an ISA network to represent the intra-array network?

You also need to enable the web proxy listener on this new network...

Cheers

JJ

_____________________________

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

(in reply to jthomas48)
Post #: 2
RE: ISA 2006 NLB Host Unreachable - 9.Sep.2008 5:13:31 PM   
jthomas48

 

Posts: 5
Joined: 25.Jul.2005
Status: offline
Yes, I did define a network to represent the intra-array network, but I did not have the web proxy listener enabled. I went ahead and enabled it, but I have the same result.

Thanks,

(in reply to Jason Jones)
Post #: 3
RE: ISA 2006 NLB Host Unreachable - 10.Sep.2008 7:30:02 PM   
Jason Jones

 

Posts: 4663
Joined: 30.Jul.2002
From: United Kingdom
Status: offline
Are you trying to use NLB manager?

All NLB monitoring and configuration is done in the ISA administration console...

From memory, it is nomral to not be able to ping between the hosts via the intra-array network. Try connecting to '\\Intra-array-address-of-other-server\c$' as this should work ok.

Is the CSS role installed locally on the servers?

Cheers

JJ

_____________________________

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

(in reply to jthomas48)
Post #: 4

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