exchange 2010 growing out of space on the c:\ drive

Hi Everyone

I'm having a problem with Exchange 2010 running almost out of disk space on the c:\ drive , My Backups run every night to clean out the logs on the c:\ drive . I also did have at Exclogs and its not growing .Something else is taking the diskspace but not sure .Recently I did install Exclaimer might this be the reason.

Dirkie LaubscherNetwork adminAsked:
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Hi Dirkie,

Have you checked your Forefront Folder in Program files? Get a free version of Treesize Free. Helps to identify those nasty folders eating space :)

We had that same issue a year or 2 ago.

Let me know.

Guy LidbetterCommented:
I second the Jam Software Treesize option...
It breaks down exactly where all your space is going...

Also check the WINSXS folder (C:\Windows\winsxs)
MikeIT ManagerCommented:
Treesize is a solid recommendation and will steer you in the right direction.
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Dirkie LaubscherNetwork adminAuthor Commented:
Hi Everyone I did found that winsxs folder is growing but not sure what to delete in the folder
David Johnson, CD, MVPOwnerCommented:
you can't delete that folder but if you have the desktop experience enabled you can run a disk cleanup and hopefully reclaim some space
Md. MojahidCommented:
You might have some retentions setup on your database. In your Exchange Management Console. Under Organization Configuration click on Mailbox. Then on the right hand side under Database Management right click and select the properties of the database on C:\. Under Limits, Change the Deleted Settings.

And ask similar question at here before.

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Davis McCarnOwnerCommented:
First, even touching the WINSXS folder is a very dangerous path to go down.  It is used as a repository for all of the updates that have been installed and also has a database of its contents.  If it gets messed up, you're in seriously deep kimchi!

Second, and to your real question; as a few have already said, you need to run TreeSize on the drive to see whats using up the space:
Ignore things like the WINSXS folder; but, pay close attention to temp folders, temporary internet folders, and user folders.  I can often free up many gigabytes of space by emptying them.

If things are still very tight, the right answer is to add more storage; but, rather than having it be a new drive letter, mount it in an empty folder on the C drive and move the contents from an existing folder to free up space.  Do not use the exchange or windows folders!
AmitIT ArchitectCommented:
Just install desktop exp feature, restart your server and run disk clean-up, select all check boxes and run it. Now, next, why you are keeping db's and logs on c drive. This is not a best practice. Just create new drive on this server and move db's and logs to new drive. That will give you enough room. Let me know, if any further doubts or query.
Brian BEE Topic Advisor, Independant Technology ProfessionalCommented:
It is best practice to store your Exchange DBs separately from the OS drive anyway. IT is pretty easy to move them and that will free up space.

The WinSXS directory is a good candidate to gain space back, but like others have said you can't delete the files. Here is a good page on how to install the tools required to use the wizard: From MS Technet
Dirkie LaubscherNetwork adminAuthor Commented:
Hi Everyone it was the retension setup within exchange ,thanks for all the help
Brian BEE Topic Advisor, Independant Technology ProfessionalCommented:
I won't object to your choice, but for the record I would like to point out that what you have chosen as the answer is only one of many ways to gain back space on your server.
AmitIT ArchitectCommented:
Retention is not the right answer. As I told above, you need to keep DB on separate drives not on OS drives.
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