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Recently updated guides and fixes
Browse all →AADSTS50011: fix a Microsoft Entra redirect URI mismatch
Compare the redirect_uri in the failed sign-in request with the app registration, then correct the side that is wrong.
DOCUMENTED GUIDE · NOT FIELD-TESTEDAADSTS50076: diagnose the Microsoft Entra MFA requirement
AADSTS50076 usually signals a required MFA step after a policy, account, or sign-in-context change; inspect the sign-in event.
DOCUMENTED GUIDE · NOT FIELD-TESTEDAADSTS700016: application not found in the Microsoft Entra tenant
Trace AADSTS700016 to the client ID and tenant in the token request before changing app consent or registration.
DOCUMENTED GUIDE · NOT FIELD-TESTEDConfiguration Manager PXE certificate error 0x80092002
Investigate Configuration Manager PXE certificate encoding error 0x80092002 and the IssuingCertificateList registry value.
DOCUMENTED GUIDE · NOT FIELD-TESTEDConfiguration Manager PXE fails across a routed subnet
Troubleshoot Configuration Manager PXE clients on a remote VLAN with packet forwarding, DHCP, distribution point, and SMSPXE.log checks.
DOCUMENTED GUIDE · NOT FIELD-TESTEDExchange Online 550 5.7.520: automatic external forwarding is blocked
Diagnose Exchange Online NDR 550 5.7.520 when automatic forwarding to an external recipient is blocked by outbound spam policy.