Article - CS315956
Runtime process exits with error message "Invalid or missing user information:" in PTC Kepware products
Modified: 31-Mar-2026
Applies To
- Kepware Server (formerly KEPServerEX) 6.0.2107.0 to 7.0
- ThingWorx Kepware Server (legacy) 8.0 to 6.18
Description
- Runtime process exits with error message in event log in KEPServerEX / ThingWorx Kepware Server
Invalid or missing user information
Runtime performing exit processing
Runtime performing exit processing
- Receiving the following pop-up on reboot (service start):
Invalid or missing user information: data is corrupt
Invalid or missing user information: general serialization failure
Invalid or missing user information: Invalid or missing user information
Invalid or missing user information: general serialization failure
Invalid or missing user information: Invalid or missing user information
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