Clever Geek Handbook

ASP.NET Temp Files

I have almost 800MB and over 31,000 files in hundreds of subfolders in the following directory:

C: \ WINDOWS \ Microsoft.NET \ Framework \ v2.0.50727 \ asp.net temporary files

Are the files temporary and are they ever cleaned up? Can they be safely removed, perhaps after stopping IIS?

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4 answers


They can be safely removed after stopping IIS, and they will restore what is needed when a user accesses your site.



-Shaun

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They are not "temporary" in the literal sense of the word, that they will definitely be removed at some point. This answer describes the goal pretty well:

These are what are known as shadow folders.

Simplified ... and I really mean it:

When an ASP.NET application launches your application for the first time, it copies all assemblies found in the / bin folder, copies any source code files (for example, in the App_Code folder), and parses your aspx, ascx files to source C # files. ASP.NET then generates / compiles all of this code into an executable application.



They can be removed at any time and .NET will simply recreate the ones it needs when it needs them.

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Yes, you can safely remove them.

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I know for a fact that orphans (i.e. no longer match virtual directory) temporary files are never cleaned up.

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