Highly ciritical again - Quickly losing C Drive space on SBS 2011

Again I am back at same box ... SBS 2011, running Exchange 2010, Symantec Endpoint CLient and Symantec Mail Security for Exchange... Last week noticed steadily losing  HD space on C Drive, down to 3 GB. Some gentlemen helped me out Friday ... ran AV scan, nothing there, got some windows issues resolved, ran windows cleanup.. got up to 26 Gb ... was content, thought resolved... Has still been going steady downwards and now all possible free space I could find is no longer an option. I need to find this culprit fast or this server is going down.. Installed TreeSize and don't really see anything gulping up space... All help is appreciated ... I'm at my wits end on this one...
xav1963Asked:
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Sid6_7Commented:
Exchange maybe the culprit, are you running backups?
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xav1963Author Commented:
Windows server backup had stopped working some time back ... thought the Remote backup was causing an issue so removed that ... so currently I got no backups .... been trying to resolve errors so can get the windows server backup back up ... so far no good but still trying .... how can I tell if exchange?
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xav1963Author Commented:
server starting to run real slow... getting harder to do anything ... down to 8.85 gb on c drive...
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Lee W, MVPTechnology and Business Process AdvisorCommented:
Reference the post from your previous question, explain what is taking up 48 GB in the C:\Program files directory.  Then Move WSUS database and files off the C: drive.  Check the Volume Shadow Copies and disable them (then relocate them to a different drive letter (you can't move them - you reset them on a different drive).  What is taking up 9.2 GB in your inetpub folder? Why do your user profiles take 1.8 GB of space?
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Lee W, MVPTechnology and Business Process AdvisorCommented:
Also, run Treesize and/or WinDirStat from the system account - use PSEXEC to do this.

(I don't know what you know and don't know... so if you don't know some of these things google quickly and you might get an answer - if not, feel free to ask how do I _______)
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xav1963Author Commented:
cant move anything to other partition ... it only has 40 gb free ... need to make room immediately ...bought another external HD to move items, even temporarily...
I have disabled all logging for all websites in IIS .... I have stopped WSUS ADmin website ... now I plan to copy the 9.2 GB wsus > susdb.mdf file to external drive ...
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xav1963Author Commented:
if I stop the MS Internal Database to do this , what effects will it have?
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xav1963Author Commented:
Also, is it safe to delete the log files inside c:\inetpub\logs\logfiles\? Especially in 2 folders "W3SVC1" and W3SVC51811293"? That is another 9 Gb freed....
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jhyieslaCommented:
Back to the first experts question about Exchange. Exchange creates log files as it runs so that it's possible to recover from issues. The log files need to be truncated every once in a while or the grow too large.  However, then need to be backed up before the Exchange automated file cleanup will truncate the log files. If you're not backing up the datastore you're probably not truncating the log files.

Having said that, if the server is rapidly losing space, there is most likely something else going on and the other experts comments apply. If you have an inetpub folder, there are logs in there that can build and can be manually deleted; can't remember the exact sub folder. Also look in the windows/system 32 folder. I think there is logging file folder there as well which can probably be manually cleaned.
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xav1963Author Commented:
never mind on stopping the Ms Internal Database (SQL) and moving that mdf file... doesn't seem smart...
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Lee W, MVPTechnology and Business Process AdvisorCommented:
Those IIS logs can be deleted - I don't like to - I'd move them or back them up and then delete.

Stopping the Database wion't have any short term effects.  Long term it can break Reporting and WSUS if memory serves.
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xav1963Author Commented:
OK.... removed majority of those log files , now back up to 22 GB free space. .... a little calmer now ... but I know I still have a problem with losing HD space ... Let me review past comments ... what do you recommend first?
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Lee W, MVPTechnology and Business Process AdvisorCommented:
As I said before, what is taking up space in Program files?
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Sid6_7Commented:
I do notice that .NET does take up temp space also. If you are looking at cleaning up some space, look here too... Dont go blindly deleting things, but my devs say it is ok to clean that up.

C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\temp
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xav1963Author Commented:
Lee.   46.9 Program Files > 35 GB Exchange> 32.9 GB Mailbox database
Plus ... 6.3 GB MSSQL SBS Monitoring, .69 GB MSSQL SharePoint ...
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xav1963Author Commented:
Sid 6_7  ... I had already deleted all temp file folders this past weekend ... I think I am cleaned all I can, no more to delete ... I must find the culprit....
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Lee W, MVPTechnology and Business Process AdvisorCommented:
Why is your mailbox database on the C: drive?  That's the first thing that should have been moved to another drive letter when the server was setup
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Lee W, MVPTechnology and Business Process AdvisorCommented:
Move it now.  Email will go offline for a while while it moves, but the logs and database don't belong on the C: drive.  (While depends on disk speed/configuration).
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xav1963Author Commented:
As suggested I will try get server backup running again ... I will also jot down size of each root folder every 30 minutes and determine culprit... hopefully...
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xav1963Author Commented:
Lee ... I wish I could move it now but the other partition where all the "Shared" folders are and the Exchange edb is has only 39 GB free (small single 500 GB on this server) ... Have rushed a couple of 2 TB HD ... once installed, will move over all Shared folder, then can move over Exchange logs....
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Lee W, MVPTechnology and Business Process AdvisorCommented:
You can expect an SBS C: drive to run about 60-80 GB in size depending on what's installed.  But NOTHING belongs on the C: drive data wise.  If you can archive/clean off some data from your shared drive that might be easier in the short term.  Then move your shared data to a mirrored 2TB volume and put Exchange on this 500 GB volume.
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xav1963Author Commented:
yes... had already started cleaning and moving d drive ...
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xav1963Author Commented:
I mean some files on d drive
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xav1963Author Commented:
Having played with registry values, SharePoint accounts and a new External HD, I was able to get the Server backup running again. Things are running somewhat smoothly again. Other issues but will start new issue.. Thx for advise...
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