Article - CS314914
Mathcad Prime reports an error "(-9) Invalid host" on specific machines even though host-id in the license file matches with host-id displayed in application UI.
Modified: 08-Jul-2025
Applies To
- Mathcad Prime 6.0 to 11.0
Description
- An error (-9) Invalid host when using locked license even though host-id in the license file matches with host-id displayed in application UI, on specific machines.
- The same issue arises when retrieving the 30 day trial license.
- The MAC ID in license file and Application UI is matching still getting error License request failed or Licenses are Invalid
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