SBS2011 C drive free space issue

HI All, please can someone assist, i have a SBS2011 server at a client of mine that chews up the free space on the C partition.

I have moved WSUS database, moved the pagefile but the free space will go from 15GB to 15MB within a matter of an hour, they have some legal software that runs on SQL but these database have space limits so i can see that this is the problem.

Please can someone suggest what i can do as ive run out of ideas as what it is

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Zaheer IqbalTechnical Assurance & ImplementationCommented:
Can you add more disk space ?

What is causing the disk space to run out SQL Logs ?
Zaheer IqbalTechnical Assurance & ImplementationCommented:
I would move SQL to new disk if you can add more disk space ?
Haresh NikumbhSr. Tech leadCommented:
Install Tree size Free and see where the space is being used
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Haresh NikumbhSr. Tech leadCommented:
also check it out below link which has given possible root cause of low disk space on SBS server
Alan HardistyCo-OwnerCommented:

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Check the IIS logs in C:\Windows\System32\LogFiles
Also check where is the exchange database and logs. If it is in C:\ move it to other drive.
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