Problem:
SBSMonitoring DB is way too large. The autoclean process of Windows sometimes malfunctions, go figure.
Solution 1:
To expedite the process, I would first stop the SQL SBS service.
When you run the command, make sure you preface it with .\
http://blogs.technet.com/b/sbs/archive/2011/08/22/how-to-recreate-the-sbsmonitoring-database.aspx
Solution 2:
1. Stop the SQL SBS service first
2. Go to C:\Program Files (x86)\Microsoft SQL Server\MSSQL.1\MSSQL\Data
3. Rename the files to a .bak or something
4. Download and unzip the following files into the same directory sbsmonitoring
5. Start the service
6. Delete the files after a couple of days or at least move them elsewhere if you have a space issue
Update
Optional:
- Open IIS
- Drill down until you have Default Web Site selected
- In the features view (center selection), scroll down until you see Logging (Health and Diagnostics)
- Double click on Logging
- Click on Disable