What is the $hf_mig$
directory for in Windows Server 2003, and can I delete it?
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HopelessN00b
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Jay R.
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Its name means "hotfix migration". It's for tracking versioning information about hotfixes to keep from accidentally breaking or downgrading your system. No, you definitely should not delete it.

chaos
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Here's a good explanation of the topic: What is the “$hf_mig$” Folder for And Can I Delete It?

Mihai Limbăşan
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