Why you can still have duplicate SPNs in AD 2012 R2 and AD 2016

As an AD admin you are probably familiar with the problem of duplicate Service Principal Name (SPN) attributes. Need a refresher on Kerberos and SPN? Read the famous blogpost over at askds: Kerberos for the busy admin. If you have these duplicates, Kerberos fails for the affected accounts. It always fails so there is no…

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Hotfix 2 for AGPM 4.0 SP3 allows you to keep custom Read permissions

We released a silent update to AGPM 4.0 SP3, last september. Find it here: https://support.microsoft.com/en-us/kb/3174540. It is also slipstreamed in the latest MDOP release. The update is a change in functionality regarding permission on GPO’s. Let me quote it for you. The old behavior, always tripping up people that are new to AGPM: If you want to change…

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April 2016 – kb3103709 contains five AD hotfixes for Windows Server 2012 R2

Update 6-28-2016: Security update MS16-081 (June 2016) described in kb3160352, has the latest AD binaries and includes the updates described below. We have just published KB3103709 on Windows Update for Windows Server 2012 R2 containing five AD-related fixes. So yes, it specifically applies to Windows 2012 R2, and not to older operating systems. Let’s take a quick look:…

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