date archive / 4 entries
Two Windows 11 computers lost domain trust, and repadmin showed a worrying 40-minute delta. Live tests found replication working in seconds; reused computer names during rebuilding explained the failures.
Read the noteThe UniFi gateway could resolve my Protect console's DirectConnect hostname, but Windows DNS returned NXDOMAIN. An AD-integrated conditional forwarder fixed it for both consoles.
Read the notewin-acme couldn't renew an Exchange certificate, claiming there wasn't enough memory. There was RAM available — the useful clue turned out to be an October Windows Server update and an RPC workaround.
Read the noteDuo was configured, the user was registered, and Entra still wanted Microsoft Authenticator. A look at the policies applying to the sign-in uncovered an easily missed difference between requiring MFA and requiring an...
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