Category Archives: Active Directory

Retrieve Time Machine Password Last Reset via PowerShell

In diagnosing a machine lockout issue I wanted to find the time that: Machine Password was last set in Active Directory Machine Password was last set locally By default when a machine has a healthy connection to Active Directory you … Continue reading

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Case of the Domain Join Failure Part III

Continuing the series on domain join failures from https://chentiangemalc.wordpress.com/2012/09/08/case-of-the-domain-join-failure-iiobject-already-exists/ A Windows 10 device had been joined to domain; removed from domain. The computer account in AD had been deleted and recreated. However attempting to manually join domain failed. The most … Continue reading

Posted in Active Directory, Windows 10 | Tagged | 1 Comment

Case of the 30 minute Windows 7 Logon

After following a similar approach as below: https://chentiangemalc.wordpress.com/2014/09/12/case-of-the-8-minute-windows-8-1-first-logon/ I still hadn’t found any obvious cause of slow logon, except that it was in Win Logon Init phase. CPU, Storage, Memory, and Disk usage are all low: Expanding Generic Events, looking … Continue reading

Posted in Active Directory, Group Policy, Windows 7, Windows Performance Recorder, Windows Performance Toolkit | Tagged , | Leave a comment

Case of the Domain Join Failure II–Object Already Exists

In our first domain join failure case, we looked at the scenario when the local computer name was corrupted https://chentiangemalc.wordpress.com/2012/07/27/case-of-the-domain-join-failure/ Now we look at this scenario: Joining a computer to a domain, we are told “Object already exists” Even though … Continue reading

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Case of the Domain Join Failure

An IT support person had a machine that had some issues with domain access, so had tried removing and re-joining machine to the domain. maually However on joining the domain Windows threw the following error: The join operation was not … Continue reading

Posted in Active Directory, Network Monitor, ProcMon, Troubleshooting, Windows 7 | Tagged | 9 Comments