Practical guidance · Reader-first publishing

Windows and identity

Windows and identity

Windows, accounts, Active Directory and access.

21 guides

Active Directory and Identity

Work from effective identity, replication, trust, policy and authentication state before changing accounts, devices or domain services.

Back to the category map
diagnostic guide5 min

Active Directory-integrated DNS diagnosis

Active Directory does not discover domain controllers by guessing server names. Trace an Active Directory lookup from the client through DNS.

intermediate · medium riskdiagnostic guide
diagnostic guide5 min

Domain trust and secure-channel repair

But the same user experience can begin with DNS, time, an unreachable controller or a restored/duplicated computer.

intermediate · medium riskdiagnostic guide
runbook5 min

SYSVOL, DFSR and legacy replication recovery

Group Policy has two halves: policy objects in Active Directory and files in SYSVOL. Determine whether SYSVOL or directory replication is failing.

advanced · high riskrunbook
runbook5 min

Windows DHCP migration and recovery

A DHCP migration is not finished when a destination console displays the scopes. Move or recover Microsoft DHCP without losing reservations and leases.

advanced · high riskrunbook

9 guides

Windows Operations

Diagnose Windows from effective configuration, logs and lifecycle state before applying repair commands or broad resets.

Back to the category map
diagnostic guide6 min

Windows image and system-file repair

DISM and System File Checker are often pasted together as a universal Windows cure.

intermediate · medium riskdiagnostic guide

Looking for something else?

Explore the complete library.

Browse every current guide or search by the symptom, platform or outcome you have in mind.

Browse every guide