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How to Register Dll in GAC Using PowerShell

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Global Assembly Cache (GAC) in the .NET Framework is a repository that stores and manages shared assemblies. Registering a DLL ( Dynamic Link Library) in the GAC ensures that it can be easily assessed and used by applications across the System.

The PowerShell provides a convenient way to register a DLL in the GAC.

To install the Dll in GAC using PowerShell, follow the below steps and code snippet.

  1. Open the PowerShell – Launch the PowerShell terminal with administrator privileges.
  2. Register a DLL – Run the following PowerShell cmdlets to register a DLL in the GAC.
[System.Reflection.Assembly]::Load("System.EnterpriseServices, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")

$publish = New-Object System.EnterpriseServices.Internal.Publish

$publish.GacInstall("D:\PS\Npgpsql.dll")

In the above PowerShell script, [System.Reflection.Assembly] class load and assembly with the specified full name. It includes information about the assembly name, version, culture, and public key token.

The $publish variable is a new instance of the “Publish” class from the “System.EnterpriseService.Internal” namespace.

The $publish variable uses the GacInsall method to register a DLL on the GAC.

Conclusion

I hope the above article on how to register DLL in the GAC using PowerShell is helpful to you.

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