Request for the permission of type 'system.net.webpermission, system, version=4.0.0.0, culture=neutral, publickeytoken=b77a5c561934e089' failed.

Question

1.00/5 (2 votes)

See more:

.NET4.6

How to resolve "Request for the permission of type 'System.Net.WebPermission, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed." for medium trust levels in IIS, if the trust level is "full" we will not get this error! Please provide me with a solution for this. Many thanks in advance.

What I have tried:

I have tried giving trust level = "Full", this will get resolved

Posted 16-May-17 1:40am

Member 13065293

Updated 16-May-17 2:52am

Add a Solution

1 solution

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Richard Deeming · Accepted Answer · 2017-05-16T02:52:00

You don't. If the medium trust level is too restrictive, you need to get the hosting company to create and apply a custom policy:
How To: Use Medium Trust in ASP.NET 2.0 ⇒ Step 3. Optionally Create a Custom Policy Based on Medium Trust[^]

There's nothing you can do in your code to work around this. If there was, then there wouldn't be any point in having the trust levels in the first place! :)