Thanks Steve.
The SQL agent is running with a service account in the administrators group so its not a permission thing, but that got me thinking.
I tried...

I put the tempdb files on separate SAN drive. I ran SQLio on every drive and there were no IO problems with any of them. The tempdb files are...

Paul,

I am having the same issue, but can not find any information about the fix you mentioned. Can you provide more details about the fix.

As a workaround I implemented...

How did this turn out?

I am planning on doing the same thing so any feedback would be appreciated.

Thanks.

I agree, the token was exactly what I was looking for.

Thanks!