lmadmin_ptc service running but ptc_d fails to start: Not a valid license server system host

I am using Mathcad Prime Release 9.0 and Datecode9.0.0.0

Hello,

Clients are unable to open Mathcad, error -61 Cannot read license file data from license server system.

Deemon log shows:

No such feature or vendor does not exist: ptc_d

13:37:53 (ptc_d) SLOG: FNPLS-INTERNAL-CKPT1
13:37:53 (ptc_d) SLOG: VM Status: 4
13:37:53 (ptc_d) SLOG: FNPLS-INTERNAL-CKPT5
13:37:53 (ptc_d) SLOG: TPM Status: 0
13:37:53 (ptc_d) SLOG: FNPLS-INTERNAL-CKPT6
13:37:58 (ptc_d) THSVRSYNC: Not a valid license server system host. Exiting.
13:37:58 (ptc_d) daemon shutdown requested - shutting down
13:37:58 (ptc_d) SLOG: Summary LOG statistics is enabled.
13:37:58 (ptc_d) SLOG: FNPLS-INTERNAL-CKPT1
13:37:58 (ptc_d) SLOG: VM Status: 4
13:37:58 (ptc_d) SLOG: FNPLS-INTERNAL-CKPT5
13:37:58 (ptc_d) SLOG: TPM Status: 0
13:37:58 (ptc_d) SLOG: FNPLS-INTERNAL-CKPT6
13:38:04 (ptc_d) THSVRSYNC: Not a valid license server system host. Exiting.

I've tried restarting the lmadmin_ptc service and tried replacing the license.dat (the old license.dat expiration date showed 22-dec-2024). Also tried importing a license file.

Thanks,

DT


Here are the errors that I faced
-96: Cannot connect to license server