BIND 9.6.0-P1 on windows server 2008 32 bit hangs

[Kobi Shachar]

Recently I upgraded my bind machine to a new windows 2008 server web edition
32 bit with 2 E5420 quad core CPU's.

The server is configured with about 7000 master zone files.

 

Since the upgrade, BIND hangs every 5-10 hours.

I checked the logs and I saw these lines on the default log:

 

5-ינו-2009 07:20:03.832 client: error: UDP client handler shutting down due
to fatal receive error: host unreachable

25-ינו-2009 07:20:03.832 client: error: UDP client handler shutting down due
to fatal receive error: host unreachable

25-ינו-2009 07:20:03.832 client: error: UDP client handler shutting down due
to fatal receive error: host unreachable

25-ינו-2009 07:20:03.832 client: error: UDP client handler shutting down due
to fatal receive error: host unreachable

25-ינו-2009 07:20:03.832 client: error: UDP client handler shutting down due
to fatal receive error: host unreachable

25-ינו-2009 07:20:03.832 client: error: UDP client handler shutting down due
to fatal receive error: host unreachable

25-ינו-2009 07:20:03.833 client: error: UDP client handler shutting down due
to fatal receive error: host unreachable

25-ינו-2009 07:20:03.833 client: error: UDP client handler shutting down due
to fatal receive error: host unreachable

 

After the service hangs, all the queries returned time out and there is no
answers anymore from the dns server.

"rndc status" tells me that the service is up and running and zone transfers
are continued as usual.

Only the DNS queries are stopped working and returning time out.

 

Any idea?

 

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