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Do the following on the machine on which you are unable to add to the domain: arp -d * nbtstat -R ipconfig /flushdns and then reboot the machine


You should have more than one domain controller in your network. And you shouldn't have anything else of consequence on this domain controller. So wipe the server and reinstall from scratch.


Here is what I did to get it to work Setup a Windows server 2008 Promoted it to a domain controller. I still got the ADPrep execution failed --> System.ComponentModel.Win32Exception (0x80004005): A device attached to the system is not functioning. Some discussion I saw suggested access to the schema master was the issue and recommended moving the schema ...


You have to reboot the computer (or issue a klist purge) in order for it to recognize that it's a member of a new group. (This isn't something that happens if you wait, in other words.) (Here's an msdn blog post on updating computer group membership without a reboot. See also this Server Fault post.)


Well if you must do it this way you can change the SRV record priority for the failing Domain Controller. This article explains how to do it: https://technet.microsoft.com/en-us/library/cc781155(v=ws.10).aspx


This smells like a UAC problem. As suggested in some similar technet forums you might be having this issue because the administrators group is the only group that has permissions on the folder of those applications. You could try turning off UAC temporarily, or using the work-around that involves creating a second group, granting it permissions to the ...


Make sure that the "Domain Admins" group is present in the local Administrators group.


This has been a known issue for the Windows Server Essentials product line. There is a bug fix for the issue. KB Article Describing the issue with a link to the rollup package Server Essentials Blog Acknowledging the issue


You cannot use Windows 2012 R2 Foundation the way you are trying to. In the Windows Server 2012 Foundation operating system, the server must be a member of a workgroup or, if joined to a domain, joined at the root of the forest as a domain controller. In the Windows Server 2012 Foundation operating system, you will also receive a warning message if your ...


Do I need to have domain controller for both domains on each remote site to authenticate users, or can a single global catalog server that is in one domain authenticate users in the other domain? A DC in another domain, whether a GC or not, cannot authenticate users from another domain, whether trusted or not. So no, you won't be able to have a single ...

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