Unrecognized attribute processRequestInApplicationTrust

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Guest

Hi all,

I have a 2003 R2 server. When I tried to run a .NET framework 1.1 ASP.NET
application, I am getting the following error message:

Configuration Error
Description: An error occurred during the processing of a configuration file
required to service this request. Please review the specific error details
below and modify your configuration file appropriately.

Parser Error Message: Unrecognized attribute
'processRequestInApplicationTrust'.
Source Error:
Line 66: </namespaces>
Line 67: </pages>
Line 68: <trust level="WSS_Minimal" originUrl=""
processRequestInApplicationTrust="false"/>
Line 69: <machineKey
validationKey="BA46B67FB93892E81FEB33A886FAB6DAC3B0473F50466269"
decryptionKey="AE3A2638BFA3DE3F920A7479F069EA11453B7D76B52D203B"
validation="SHA1"/>
Line 70: </system.web>
Source File: c:\inetpub\wwwroot\web.config Line: 68

I check my IIS and I have selected the 1.1 framework from the ASP.NET tab.
The 1.1 ASP.NET application runs fine on my 2000 server. Is this a setup
issue?

BTW, I also tried to convert the application to .NET framework 2.0 but I am
getting the following errors from Event Viewer. Not sure whether they are
related.

Event Type: Error
Event Source: ASP.NET 2.0.50727.0
Event Category: None
Event ID: 1062
Date: 11/3/2006
Time: 3:59:42 AM
User: N/A
Computer: BIZTALKDEV1
Description:
It is not possible to run two different versions of ASP.NET in the same IIS
process. Please use the IIS Administration Tool to reconfigure your server to
run the application in a separate process.

For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.
 
Hi,

I believe the element is new in ASP.NET 2.0 which means you must configure
your web site to run using ASP.NET 2.0 instead of ASP.NET 1.1:

#trust Element (ASP.NET Settings Schema)
http://msdn2.microsoft.com/en-gb/library/tkscy493(VS.80).aspx
processRequestInApplicationTrust is new in the .NET Framework version 2.0.


As for the error you mentioned in event log, you can find the cause and
explanation here:

#How ASP.NET Works with IIS 6.0 (IIS 6.0)
http://www.microsoft.com/technet/prodtechnol/WindowsServer2003/Library/IIS/f
1a39358-5ab8-4dc1-a60d-eedea7360780.mspx
This error occurs when more than one version of ASP.NET is configured to
run in the same process. Different versions of the .NET Framework and run
time cannot coexist side by side within the same process. Therefore, an
ASP.NET application that uses one version of the run time must not share a
process with an application that uses a different version. This error
commonly occurs when two or more applications are mapped to different
versions of ASP.NET but share the same application pool.

You can find the solution here:

#Configuring an ASP.NET Application for an ASP.NET Version (IIS 6.0)
http://www.microsoft.com/technet/prodtechnol/WindowsServer2003/Library/IIS/d
2cc4557-dbe7-46f9-9b63-df1d09f17c6a.mspx
See section "Application Pooling in IIS 6.0"

For more information about Side-By-Side support for ASP.NET (IIS 6.0):


#Side-By-Side Support for ASP.NET (IIS 6.0)
http://www.microsoft.com/technet/prodtechnol/WindowsServer2003/Library/IIS/2
44cad41-0474-4bbc-a7d6-bcc4461aac72.mspx
The .NET Framework provides support for side-by-side execution, which
allows multiple versions of an assembly or application to be installed on
the same computer, at the same time. Since multiple versions can be
installed simultaneously, managed applications can select which version to
use without affecting other applications that use a different version.


Let me know if this answers your questions.

Sincerely,
Walter Wang ([email protected], remove 'online.')
Microsoft Online Community Support

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Hi Walter,

Thanks for your help on this posting. I was able to track down the issue
with you response.

1) When I created the ASP.NET 1.1 application, I was assigning it to run in
a Application Pool that it has .NET 2.0 application in it. That causes the
error.

2) I have Windows SharePoint Service installed on the server. I have to add
<trust level="Full" /> to the web.config file. I thought <trust
level="Full" /> is by default and not sure why I need to explicitly do that.
Any idea?

Anyway, my ASP.NET 2.0 is working now. Thanks.

Abel
 
Hi Abel,

Thank you for letting me know that you've solved the problem.

As for the trust level, you're right that by default it's "full", it's set
in c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\CONFIG\web.config, you can
verify that. I'm not sure if SharePoint requires explicitly set it again or
not since I'm not familiar with it, you might need to post a new post in
related newsgroups, I'm sure my colleagues will be of help. Thanks.

Regards,
Walter Wang ([email protected], remove 'online.')
Microsoft Online Community Support

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that others may learn and benefit from your issue.
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