RE: fwsrv stopped responding to all requests, Please Help
- From: "hanan" <nouran@xxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Thu, 6 Mar 2003 09:26:36 +0100
Hello
Cause
This problem can occur because of improper handling of the tick count
overlap by the scheduler that is used to raise alerts and manage keep alive
signaling. This overlapping happens after every 49 days of continuous
running (for the server computer). In this case, the DWORD that is used for
storing the tick count overlaps, and this can cause some alerts to be raised
over and over again and intense (approximately 190 queries each second) LDAP
querying on an Active Directory-integrated ISA Server-based computer for a
short period.
The problem occurs because the scheduler checks for overtimed tasks (after a
new task is inserted to its list) by comparing the current tick count to the
one that is stored in the task. When the tick count overlapps, future tasks
that are scheduled (a minute later) are considered to be overtimed, and
because of this, are run at once. After the task runs, it is re-inserted
into the task list, only to be run again. This can happen at a rate of ten
times each second.
Resolution
A supported fix is now available from Microsoft, but it is only intended to
correct the problem that is described in this article. Only apply it to
systems that are experiencing this specific problem. This fix may receive
additional testing. Therefore, if you are not severely affected by this
problem, Microsoft recommends that you wait for the next ISA Server service
pack that contains this fix.
To resolve this problem immediately, contact Microsoft Product Support
Services to obtain the fix. For a complete list of Microsoft Product Support
Services phone numbers and information about support costs, visit the
following Microsoft Web site:
http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS
NOTE: In special cases, charges that are ordinarily incurred for support
calls may be canceled if a Microsoft Support Professional determines that a
specific update will resolve your problem. The usual support costs will
apply to additional support questions and issues that do not qualify for the
specific update in question.
The English version of this fix should have the following file attributes or
later:
Date Time Version Size File name Platform
----------------------------------------------------------------
Apr 4, 2001 14:13:32 3.0.1200.62 211,216 Msfpc.dll Intel
Workaround
To work around this problem, restart all of the services:
1. At a command prompt, type net stop isactrl, and then press ENTER.
2. Type net start fwsrv, and then press ENTER.
3. Type net start w3proxy, and then press ENTER
Best regards
hanan
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-----Original Message-----
From: shane [mailto:tsmullins@xxxxxxxxxxxxxxxxxxx]
Sent: Wednesday, March 05, 2003 8:18 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] fwsrv stopped responding to all requests, Please Help
http://www.ISAserver.org
I get the following error:
ISA Server name: PROXY
Due to an unexpected error, the service fwsrv stopped responding to all
requests. This occurred 16433 time(s) in the past 17:01 hours. Try to stop
the service or kill the corresponding process if it does not respond, and
start it again. Check the Event Viewer for related error messages.
Could someone please help me on this? I looked in the Event Viewer but
could find no relevant information,
Thanks
Shane
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