FLEX server upgrade

[IA_3033814]

I am using Mathcad Prime Release 11.0 and Datecode11.0.1.0

Need to upgrade flex lic server but it won't let me.

Here are the errors that I faced
Need to upgrade flex lic server but it won't let me. the finish button is greyed out or the flex install just crashes.

[VladimirN]

Take a look the following articles:

• "FLEXlm/FlexNet Server Version and FlexNet enabled applications Compatibility Matrix": https://www.ptc.com/en/support/article/CS154266 
• "How to update FlexNet Admin License Server (lmadmin) with a new license file": https://www.ptc.com/en/support/article/CS77700