Identity & Microsoft 365 cheat sheets

Identity and Microsoft 365 references for Active Directory, Entra ID, Microsoft Graph and Exchange Online: users and groups, replication health, sign-in investigation, mailboxes and message tracing.

8 free references in this topic. Each lists the command, what it inspects and how to read the result.

• Active Directory replication health — Compare domain-controller replication and locate recent failures.
• Active Directory users and groups — Inspect domain identity, user status and group membership using RSAT.
• Entra ID devices and tenant overview — Inspect tenant context, device identities and join state without changing access.
• Entra ID sign-in investigation — Review recent sign-ins and distinguish authentication from policy failures.
• Exchange Online mailbox inspection — Connect to Exchange Online and review mailbox identity and quotas.
• Exchange Online message tracing — Trace a recent sender and examine the events for a specific message.
• Microsoft Graph connection and user lookup — Connect to the correct tenant and inspect directory user records.
• Microsoft Graph query and paging basics — Find users with server-side filters and handle complete result sets.