Article - CS296561
Installation fails with error status: 1603 in PTC Kepware products
Modified: 02-Oct-2025
Applies To
- Kepware Server (formerly KEPServerEX) 6.0.2107.0 to 6.18
- ThingWorx Kepware Server (legacy) 8.0 to 6.18
Description
- Update from 6.X.xx (older version) to 6.X.xx (newer version)
- Installation fails with error status: 1603 in KEPServerEX / ThingWorx Kepware Server (KSE / TKS)
- KEPServerEX upgrade from 6.X.xx (older version) to 6.X.xx (newer version) fails and rolls back to older version
- Microsoft Windows Install Wrapper Window Displays Error CreateProcess Failed (1603)

- Error message:
Windows Installer installed the product. Product Name: KEPServerEX 6. Product Version: 6.5.829.0. Product Language: 1033. Manufacturer: Kepware. Installation success or error status: 1603.
This is a printer-friendly version of Article 296561 and may be out of date. For the latest version click CS296561