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Could not load all ISAPI filters for site/service.  Therefore startup aborted.

Posted on 2010-11-11
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Last Modified: 2012-05-10
My website can not be started. Always show "Service unavailable"

Appreciate any help.

Thanks,

Steve  
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Question by:Brgzaq
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JBond2010 earned 500 total points
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Please check this following KB article http://support.microsoft.com/kb/894435
Check if Microsoft SharePoint needs IIS to run in 64 bit mode or 32 bit mode based
In any case take a backup of the metabase to make sure that we have the current configuration of IIS saved

If you need IIS to run in 32 bit mode then follow the steps below (i.e.. you want
to load the Front Page ISAPI filter within IIS )
1. Open a command prompt and navigate to the location
C:\Inetpub\AdminScripts
2. Run the following command
cscript adsutil.vbs set
W3SVC/AppPools/Enable32BitAppOnWin64 1
3. On the command prompt navigate to the location
%windir%\Microsoft.NET\Framework\v2.0.50727
4. Run the following command to unregister all the versions of ASP.NET
aspnet_regiis -ua
5. Type iisreset and hit enter
6. Run the following command to register the 2.0 version of ASP.NET for all the websites
aspnet_regiis -i
7. Type iisreset and hit enter


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by:Brgzaq
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JBond2010,

Thank you for replying.

When running iisreset, I got:

IIS Admin Service or a service dependent on IIS Admin is not active. It most likely failed to start, which may mean that it is disabled.

I checked Event viewer, I got:

The description for Event ID ( 1073 ) in Source ( ASP.NET 2.0.50727.0 ) cannot be found. The local computer may not have the necessary registry information or message DLL files to display messages from a remote computer. You may be able to use the /AUXSOURCE= flag to retrieve this description; see Help and Support for details. The following information is part of the event: Finish unregistering ASP.NET (version 2.0.50727.0). Detailed unregistration logs can be found in C:\DOCUME~1\zwang\LOCALS~1\Temp\1\ASPNETSetup_00002.log

In Framework folder I have v3.0 and v3.5. Do I need to work on those?

Thanks,
.
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Author Comment

by:Brgzaq
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I ran the commands correctly this time. But I still have problem browsing my site and the event error is the same as the first time. "Could not load all ISAPI filters for site/service.  Therefore startup aborted."

Thanks,
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Author Comment

by:Brgzaq
Comment Utility
JBond2010:

This problem is fixed.

However I still have problem browsing the OWA. So I create another question.

Thanks,

Brgzaq
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