What is GAC

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What is GAC

Q

What are situations when you register .NET assembly in GAC ?

✍: fyicenter.com

A

GAC (Global Assembly Cache) is used where shared .NET assembly reside. GAC is used in the following situations :-

If the application has to be shared among several application.
If the assembly has some special security requirements like only administrators can remove the assembly. If the assembly is private then a simple delete of assembly the assembly file will remove the assembly.

Note :- Registering .NET assembly in GAC can lead to the old problem of DLL hell, where COM version was stored in central registry. So GAC should be used when absolutely necessary.

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