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Referenced assembly does not have a strong name

, 7 Mar 2012 CPOL
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How to give a strong name to your assembly


Sometimes you got an error like following when you reference 3rd party dlls.

Assembly generation failed -- Referenced assembly 'Test' does not have a strong name
Cause is An assembly is not signed with a strong name, the strong name could not be verified, or the strong name would not be valid without the current registry settings of the compute.

The strong name protects clients from unknowingly loading an assembly that has been tampered with. Assemblies without strong names should not be deployed outside of very limited scenarios.

An assembly without a strong name  cannot be loaded into the global assembly cache.

To Fix this, have to follow below steps.

Steps to create strong named assembly

Step 1 : Run visual studio command prompt and go to directory where your DLL located.

  For Example my DLL located in D:/hiren/Test.dll

Step 2 : Now create il file using below command.

  D:/hiren> ildasm /all / Test.dll
  (this command generate code library)

Step 3 : Generate new Key for sign your project.

  D:/hiren> sn -k mykey.snk

Step 4 : Now sign your library using ilasm command.

  D:/hiren> ilasm /dll /key=mykey.snk

so after this step your assembly contains strong name and signed.

Jjust add reference this new assembly in your project and compile project its running now.


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


About the Author

Hiren Khirsaria
Software Developer (Senior)
India India
has Total 7+ years of Experience in Microsoft.Net Environment.

Major Development Skills are : WPF, Silverlight, Windows Mobile, WCF RIA Service, C#, Sql Server & ASP.Net

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Comments and Discussions

QuestionAnother way Pin
gbsistemas19-Aug-12 8:44
membergbsistemas19-Aug-12 8:44 
Hi, first of all thank for your time on writing this. Another way you can do this is by going to property panel of the project, then to signing tab and add a signature to your project.

Gabriel Brancolini

AnswerRe: Another way Pin
Hiren Khirsaria19-Aug-12 23:07
memberHiren Khirsaria19-Aug-12 23:07 

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