I have another answer
Advert on The Register:
"What do you do when customers contact you because their system has failed? If you're a member of the Microsoft Partner Programme you can access free* Business Critical Telephone Support from Microsoft engineers - worth ?199 per incident. It's free to become a Registered Member of the Microsoft Partner Programme and takes only minutes online."
Or swap to Linux where you have a chance of fixing it yourself, contacting a forum, IRC channel.......