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windows 2008 Server disk full after new install

Posted on 2011-03-09
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Last Modified: 2012-06-27
We recently installed fresh Win 2008 server on a 150GB drive. Added 1 network program, (approx 300mb) setup with remote apps function only.
After a month or so of use, checking the hard drive, the C drive its is 100% full.
Any idea's what is filling it up?
post install we had over 100GB free space, so this isnt making sense as we havent added anything to the system except standard windows updates..  very bare install..
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Question by:DrueM
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by:PowerEdgeTech
ID: 35088974
How much RAM does your server have?
What was it's free space post-install?
Do you know when it started?
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by:enzogoy
ID: 35088983
What is that network program?  Does it have any log files?
You can do a search for new files or check every folders to see what have a big data in it.  There won't be that much folders to be check.  Under C: drive would be less than 10 folders.  Check every single one and see how big each of them.  From there you'll realise which folders get all the drive capacity.

Good luck.
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by:PowerEdgeTech
ID: 35089021
You might install TreeSize Free for enzogoy's suggestion, as it will show you the size of each folder without having to visit the folder Properties for each folder.  This will also show you your pagefile size, etc.
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Author Comment

by:DrueM
ID: 35089166
i've attached a screen shot from the tree app, we have a custom real estate program on the server, but that has never been a problem until we noticed that with no space, the program Lucero, was having permission write problems..(which makes sense when theres no free space)  Tree Size
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by:DrueM
ID: 35089276
Basically there is 80GB missing, where could it be hidden at? Also, if we delete something, it instantly fills back up again.. could it be a virus, hidden root kit, etc?
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by:enzogoy
ID: 35089284
This picture doesn't make any sense to me.  On the top half, it says C: used 18 GB.  Down in the bottom it says that C drive has 102GB but no free space left.

If you get into my computer in C drive, what does it say?  Is it 0 GB free 102GB or 0GB free of 18GB?
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by:DrueM
ID: 35089329
in C drive properties in windows, it says 0 bytes free. Says Used space 100%, free space 0%
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by:DrueM
ID: 35089352
C drive image
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Accepted Solution

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DrueM earned 0 total points
ID: 35089885
We've solved the problem, we we found that it was likely a false positive on the drive space, though, it did in fact cause write issues for the custom software to operate.. updating and restarting cleared the false positive on the drive space, as well corrected the write issues with the custom software.
Thanks everyone!!!
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by:enzogoy
ID: 35089905
Thanks god you've solved it.  I was stuck too. :)
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by:DrueM
ID: 35090017
I appreciate all your help. Though, i find it very interesting that win 2008 server created a false positive on drive space as well locked down the system from write access. As this server had brand new drives, brand new install and technically nothing on it except 1 single program that has run for years in our company, and nothing but native controls established.. this could signify a entire new generation of misleading reporting, hardware access and OS issues from Microsoft. Very bad if you ask me.
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by:DrueM
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