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From Thomas Strauß <>
Subject Re: Issue with isapi_redirect-1.2.31 on IIS7 on Win2008R2
Date Sat, 02 Apr 2011 10:47:48 GMT

Answering myself ...

found a blog entry that points to a direction

The return code is not 00000005, it is 05000000 and this is in fact an ACCESS_DENIED response.
I still do not know why the service suddenly refuses to load the formerly running dll, but
will try to run a process monitor. I will post here if the issue is solved - as a kind of
archive of things that can happen...



Am 01.04.2011 um 18:18 schrieb Thomas Strauß:


we have a customer that is facing a situation since yesterday on two 2008R2 servers.

The IIS did without warning refuse to load the isapi_redirect-1.2.31 dll.

The error is always the same:
   Could not load all ISAPI filters for site <'the site name>'.  Therefore site startup
  The HTTP Filter DLL D:\PaperDynamix\IIS-Redirect\bin\isapi_redirect-1.2.28.dll failed to
load.  The data is the error.

The error code in the data is 0000005

The system ran in this configuration for four month now without change on the IIS configuration.
 We replaced the redirector with the .31 version, but this was also not loaded.

The eventlog only shows the issue above, everything else is fine. The tomcat servers behind
the IIS are running fine – no issue there. The version of the DLL is definitely x64, we
think there has been a global policy change on the Windows domain, but this is neglected,
customer says, that policies have not been changed for some weeks.

On the server, McAFFEE is installed, but it does not report anything, nor does it deny loading
any file (not reported at least). We cannot see any traces of any crash.

Does anyone know of a Servicepack / Bugfix installed on the Domain Controller that may propagate
this change to domain members?
On the server, UAC is active, but there is no login failure in the audit event log, so no
trace of an issue there.

Is anyone aware of such an issue or can anyone point me to something?

What happened yesterday at around 02:00 PM?

Mit freundlichen Grüßen

Thomas Strauß
Geschäftsführer Entwicklung

SRS PaperDynamix®

SRS-Management GmbH
Berliner Ring 93
64625 Bensheim
T +49 6251 85 424 - 20
F +49 6251 85 424 - 14
M +49 174 2110912<><>

HRB 25262 AG Darmstadt
Geschäftsführer: Detlev Homilius, Thomas Strauß

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