Article - CS386048
Unable to access OPC UA Configuration due to unknown Administrator password with PTC Kepware Products
Modified: 11-Sep-2025
Applies To
- ThingWorx Kepware Server (legacy) 8.0 to 6.18
- Kepware Server (formerly KEPServerEX) 5.20.396.0 to 6.18
Description
Unable to access OPC UA Configuration due to unknown Administrator password with PTC Kepware Products/ ThingWorx Kepware Server
- Configure a password for Kepware default user OPC UA Configuration but don't remember it
- Unable to access OPC UA Configuration from Kepware Administration due to an unknown Administrator password
- Cannot open OPC UA Configuration or Settings from Kepware Administration
- When re-installing Kepware there is no option to reset the OPC UA Configuration password
- The step of setting the Administrator password is skipped during the Kepware installation
- Forgot password to OPC UA Configuration
- Password for OPC UA Configuration forgotten
- The Administrator password that was set up upon installation is not working and I cannot add users or groups to the system
- Receiving error: 'Administrative credentials are required to access this feature. Please enter the user manager credentials of either the built-in Administrator account or any user who has been added to the User Manager Administrator group.'
- We do not have access to that password anymore
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