The "Connect" button in NCS server show "grey out". Open NCS Client it shows "The license is invalid (Error code: 268435467)".
The NCS trial license is expired.
There are two solutions for this case:
1. Activate the NCS-Base license (NCS-Base 48-8-0) at first then activate other additional license.
2. Apply for a NCS trial license with your region sales.