Hi everyone,

We are currently upgrading our SOLIDWORKS PDM Server from 2024 SP1 to 2025 SP5.

We have two vaults:

• Vault A: ~100 GB archive, ~2 GB MDF, 850MB LDF
• Vault B: ~3.5 TB archive, 72.5 GB MDF, 8.7 GB LDF

The PDM Server upgrade completed successfully. We first tried upgrading both vault databases together, but after more than 4 hours there was no completion.

We then upgraded them individually. Vault A completed successfully in around 20 minutes.

However, Vault B has been running since 21-Sep-2026 3:30 PM IST and is still stuck as of 22-Sep-2026 10:00 AM IST at:

Step 4 – Checking Documents table…

 

We have already tried restarting the PDM Server and Archive Server and checked the Windows Event Viewer, but couldn't find anything useful.

Has anyone experienced this during a PDM database upgrade?

• Is this expected for a database of this size?
• How can we determine whether the upgrade is still processing or actually hung?
• Are there any specific logs or SQL checks we should perform?
• Is it safe to stop the upgrade after running for this long and restart it?