[isapros] Re: RPC filter - connectivity changed
- From: "Jim Harrison" <Jim@xxxxxxxxxxxx>
- To: <isapros@xxxxxxxxxxxxx>
- Date: Tue, 8 Aug 2006 17:06:12 -0700
There are issues with Exch and ISA if client connections are abruptly
terminated that can cause this behavior
Keep your eyes open for a KB that quotes "RPC" and "Keep-Alive".
From: isapros-bounce@xxxxxxxxxxxxx [mailto:isapros-bounce@xxxxxxxxxxxxx]
On Behalf Of Jason Jones
Sent: Tuesday, August 08, 2006 3:26 PM
To: isapros@xxxxxxxxxxxxx
Subject: [isapros] Re: RPC filter - connectivity changed
Thanks Ori - kinda how I expected the alert to be.
I get the ISA alerts 2/3 times every couple of weeks and lots of event
log errors, saying "RPC server available", then "RPC server unavailable"
in a complete loop. The only way to solve the issue is to reboot all
array members - ouch! Whilst ISA is in this state all existing MAPI
clients remain working, but all new sessions fail.
However, I can see no reason why the Exchange server (the RPC published
server) should suddenly appear unavailable - I also cannot see why the
destination server is at fault if a reboot of ISA fixes the problem.
Kinda feels like ISA is getting confused to me :-\
JJ
________________________________
From: isapros-bounce@xxxxxxxxxxxxx [mailto:isapros-bounce@xxxxxxxxxxxxx]
On Behalf Of Ori Yosefi
Sent: 08 August 2006 18:23
To: isapros@xxxxxxxxxxxxx
Subject: [isapros] Re: RPC filter - connectivity changed
This alert is issued when a published RPC server has gone offline / came
back online.
When attempting to establish a connection with the RPC server, if the
connection attempt fails (for the first time) then this alert is issued.
Later on, when a connection attempt is successful (for the first time)
then this alert is issued again.
HTH,
Ori.
________________________________
From: isapros-bounce@xxxxxxxxxxxxx [mailto:isapros-bounce@xxxxxxxxxxxxx]
On Behalf Of Jason Jones
Sent: Tuesday, August 08, 2006 8:10 PM
To: isapros@xxxxxxxxxxxxx
Subject: [isapros] RPC filter - connectivity changed
Hi,
Anyone seen the "RPC filter - connectivity changed" ISA alert? Under
what scenario does this get trigged?
Is this an ISA problem or an indication that the published RPC server is
at fault?
Cheers
JJ
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