: Temporarily turn off any anti-virus/malware software and third-party disk encryption to prevent interference during installation.
Many features originally found in macOS Server are now native to macOS Monterey and do not require the Server app: MacOS Server 5 Part 1: Server Upgrade macOS Server 5.12
To prepare for and use , you must be running macOS 12 Monterey , as earlier versions of the Server app are incompatible with this operating system. Since Apple discontinued macOS Server on April 21, 2022, version 5.12.2 is the final release, and many of its original functions have been migrated directly into macOS system settings. Pre-Installation Checklist : Temporarily turn off any anti-virus/malware software and