play path not working in holemaking

We recently upgraded our server and are having issues with play path not working for holemaking cycles when working on network drives. After some time pro/e returns an error: cannot open file "cycle.ncl" check write permissions. Of course the write permissions seem correct, user has "full access". This error does not come up when working off a local drive. If you give pro/e 20 minutes its does seem to eventually work.

Wildfire 4.0 m030, running windows server 2003 r2