Article - CS323111
License for product XXXXXX cannot be accessed [error=-157] and must be reactivated PTC Kepware Products
Modified: 11-Dec-2025
Applies To
- LinkMaster 3.0.70.0 to 3.0.94.0
- RedundancyMaster 2.0.47.0 to 2.0.128.0
- Kepware Server (formerly KEPServerEX) 5.20.396.0 to 7.0
- ThingWorx Kepware Server (legacy) 8.0 to 6.18
Description
- I received the following error message License for product XXXXXX cannot be accessed [error=-157] and must be reactivated
- Licensing failure, license broken, disappeared, -157
- License seems to be lost
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