You see the an issue similar to one of the following reported when beginning an NSX-v to NSX (NSX-T) migration:
If you click the highlighted profile feedback, you can get detailed information regarding the failure reason. In either circumstance, you see that OpenSSL 3 is noted.
NSX 4.2
NSX 4.2 upgrades to OpenSSL3.0 for security considerations. OpenSSL3.0 (by default security level 1 and FIPS on) has stricter requirements for the cipher suite/SSL protocol/certificate used in SSL connections.
OpenSSL3.0 validates:
In case of an NSX-v to NSX (NSX-T) migration error, the attached document provides detailed instructions needed to update your NSX configuration and pass the migration checks.