With CatSearch enabled, Macintosh clients ask the Windows NT Server to do the search of the Macintosh volume. If the server is busy, or there are a very large number of folders/files on the SFM volume, the client will appear to hang.
To resolve the problem:
1. Install SP5.
2. Use Regedt32, on the Windows NT Server, to navigate to:
Select the volume you want CatSearch disabled on.
Double-click this volume and in the Multi-String Editor,
3. Repeat Step 2 for additional volumes.
4. Stop and Start Services for Macintosh.