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Server error in 'XXXXXXXX' application.

Hi experts,

What this error depicts and How to resolve this?

Server ErrorPlease guide...

Regards,
D Patel
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D Patel
Asked:
D Patel
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1 Solution
 
Marco GasiFreelancerCommented:
I confess I am not an expert on ASP, but that error occurs when you have attribute of targetFramework="4.0" and your AppPool is set to run ASP 2.0 which doesn't recognize targetFramework attribute at all.
You should set AppPool to 4.0. You ca find informations about it here: http://www.developer.com/net/asp/article.php/2245511/IIS-and-ASPNET-The-Application-Pool.htm
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D PatelD Patel, Software EngineerAuthor Commented:
Hi Marco,

The AppPool is setup that way only.

Regards,
D Patel
0
 
Kelvin McDanielSr. Developer/ConsultantCommented:
As @Marco Gasi said, your application is currently trying to execute as an ASP.NET 4.0 application but the App Pool itself is running as an ASP.NET 2.0 application. More than likely, if you don't see the 4.0 app pool option available it's because the server doesn't have version 4.x of the .NET installed. You should verify that it is installed and install it if necessary, then switch to the necessary app pool.

Instructions for how to figure out which .NET Framework versions are installed locally:
https://support.microsoft.com/en-us/kb/318785
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D PatelD Patel, Software EngineerAuthor Commented:
I have checked there are both the entries :

Please look at the below screenshot :
App Pool Setting
Please guide further.

Regards,
D Patel
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Marco GasiFreelancerCommented:
Another thing which can get that error is having the httpRuntime attribute set to targetFramework. Check you configuration file to see if you have this attribute. If you find it, just remove it.
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D PatelD Patel, Software EngineerAuthor Commented:
Hi Marco Gasi,

I look at the Configuration file and its setup in the way as below:

1.PNG

2.PNG
What do I do? Please suggest...

Also, If I look at the Control Panel it shows me the below .NET Framework version installed :

cpl.PNG
Is that Ok or I will need to install .NET Framework 4.0 separately?

Regards,
D Patel
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Marco GasiFreelancerCommented:
As I said, I'm not an expert in ASP, but I suggest you check your .NET has the last updates installed.
If this is the case, you can try to set targetFramework to 4.5.
If this doesn't work you can downgrade your .NET to 4.0
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D PatelD Patel, Software EngineerAuthor Commented:
I also downgraded the .NET Framework with 4.0 from 4.5.

Still the issue does not solve.

On my Server (Windows Server 2008 R2) the Roles Services are shown as .NET 3.5 (not 4.0).

Could there be a issue due to this?
NETFrame.PNG
Regards,
D Patel
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Marco GasiFreelancerCommented:
.NeT 3.5 doesn't support targetFramework attribute, so that could be the issue. You probably should upgrade your role Servce too
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D PatelD Patel, Software EngineerAuthor Commented:
Hi Marco,

Do you have any idea on how to upgrade role service .Net 3.5 to .Net 4.0

Regards,
D Patel
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Marco GasiFreelancerCommented:
Try to see if this can help: I can't give you better hep, I'm sorry
https://msdn.microsoft.com/en-us/library/dd483478.aspx
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D PatelD Patel, Software EngineerAuthor Commented:
Hi Marco,

Thanks for your help. But it will not help me in upgrading the .NET Framework (Role Service) for Windows Server 2008 R2.

Regards,
D Patel
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