Symptom

When issuing various "Crypto Key" commands, an error is displayed that displays the command will is hidden and is not recommended/supported. The command is still accepted as an input. Example: %PARSER-5-HIDDEN: Warning!!! ' crypto key generate rsa general-keys modulus 2048' is a hidden command. Use of this command is not recommended/supported and will be removed in future.

Conditions

IOS-XE 17.11.1a+ "Crypto Key" commands such as "Crypto key import XXX" or "Crypto key generate XXX"

Workaround

As of 17.11.1.a, the default command mode for these commands changed from Global configuration (config) to Privileged EXEC (#). Old Behavior: Router1(config)#crypto key generate rsa label KEYS modulus 2048 New Behavior: Lab-Router1#crypto key generate rsa label KEYS modulus 2048 Command Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/security/a1/sec-a1-cr-book/sec-cr-c4.html#wp1444104032

Further Problem Description