… and one more thing … about Managed Service Accounts

Microsoft released hotfix for Windows Server 2008 R2 and Windows 7 fixing password change mechanism. MSA’s passwords are updated by default every 30 days (may be changed in registry at HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NetLogon\Parameters). When password expires and is changed by computer, Kerberos and NTLM provider are not notified correctly so old password would be used which results in Authentication Failure.

Hotfix is available at Microsoft website: http://support.microsoft.com/kb/2494158

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About Jiří Hubáček

Experienced consultant and blogger for Microsoft SQL Server and related products. Likes cats, workouts and delicious food. Enjoys sailing, traveling, time spent with wife and friends.
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