Uninstall Azure AD Connect
Uninstall Azure AD Connect after a full cloud migration: disable the sync scheduler, turn off DirSync with Set-MsolDirSyncEnabled, then remove it.
Configure team site libraries to sync automatically
Make SharePoint team site libraries sync automatically in OneDrive: copy the library ID, decode it with UnescapeDataString and set TenantAutoMount.
AAD Connect / Cloud Sync with Existing Cloud Users
Avoid duplicate users when linking an existing Office 365 tenant to AD Connect: scripts to match users, sync proxyAddresses and set ImmutableIDs.
Server 2022 - Azure AD Connect Sync
Install Azure AD Connect on Server 2022, start with a test group, add Seamless SSO via GPO and group-based licensing, then extend the sync to all OUs.