Exchange 2010 temp files

My server has a corrupted volume (D:), mailboxes have been moved to another volume just leaving the old DBs and a temp folder, Exchange is installed on C:. The corrupted DBs are all dismounted and will be deleted before the volume is rebuilt.
I'm concerned about the D:\temp folder which contains the following files:
store.exe.xxxxxxx-WatsonReport.txt
MsFTEFD.exe-xxxxxx-ExWatsonReport.txt"
*.sqm files
And 100's of empty folders with 8 character hex names (A56D698F) created everyday.

What are these folders for? How do I change the path of whatever service is writing these files so that the volume can be safely dismounted and rebuilt without crashing exchange?
Do I need to change anything else? (i.e. path for watson reports, sqm files etc)
smpsmithAsked:
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AmitIT ArchitectCommented:
None of them are related to Exchange db's. So you are safe to remove it.

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