Disk space seems to vanish more and more these days. Our new TMG web filtering box has just been gobbling the stuff up. Checked all the usual culprits first- ran “cleanmgr /sagerun:65535”, deleted \windows\temp etc. Nothing- not worthwhile anyway.
Then by chance I decided to check in %programfiles%\Microsoft Forefront Threat Management Gateway\Logs. Whoa. so many .llq files. 11GB in fact. That could explain a lot. So I’m deleteing any. llq’s before today, which should sort the problem out.