Setting domain controller failed.

Questions about using Windows AD service.
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Setting domain controller failed.

Post by emanuele.zimol » Thu Apr 15, 2021 11:14 pm

Good day everyone

when i try enable ADDITIONAL DOMAIN CONTROLLER from ControlPanel it give me "Setting domain controller failed."

I checked this prerequisites i found surfing:

- In Domain Security from ControlPanel is Wizardly configured with AD Authentication (domain members) and is Joined to a local Domain (Domain users can actually connect to Qnap with their domain credentials)
- Actual Domain Controller is Windows 2019 Server (, configured as DNS and DHCP server (in DHCP server option DNS1: , DNS2:none)
- From Server, in Powershell, "Get-ADDomain | fl Name,DomainMode" show me Windows2008R2Domain , so level of domain should be correct
- From ControlPanel, in Network & Virtual Switch homepage i see the Primary DNS server as and Secondary DNS server none

Someone can help me about this problem?

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Joined: Fri May 27, 2022 9:02 pm

Re: Setting domain controller failed.

Post by TallyGeek » Fri May 27, 2022 9:06 pm

Were you able to get this working? I'm having the same issue connecting to a 2019 domain controller.

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