Which command must be issued before using the 'password complexity not manufacturer-name' command?

The password complexity enable command is a prerequisite for configuring specific password complexity rules, such as password complexity not manufacturer-name. It globally activates the password complexity feature on the device, allowing subsequent, more granular complexity settings to be applied. Without first enabling the feature, the system will not recognize or apply the detailed complexity rules. login authentication my-auth-list configures AAA authentication methods and is unrelated to password complexity rules. service password-encryption encrypts passwords in the running configuration but does not enforce complexity. confreg 0x2142 modifies the configuration register, typically for password recovery or boot sequence changes, and has no bearing on password complexity.