VMware NSX Active Directory Groups Missing

Today I was doing some micro segmentation at a customer site, and I was having an issue with new active directory groups not showing up when I wanted to add them to a Security Group.

I turned out that there were a lot of groups missing. I checked the synchronization  but there was no errors, and no pattern in what groups was missing and what groups were there. If you do have errors this article might be relevant for you: https://kb.vmware.com/s/article/2150678

I checked the release notes for recent updates, but it did not look like this was a known bug.

Solution:
I did find a workaround. I deleted the Domain from NSX, and set if up again. Now all groups was available. This is not a very good solution since all your existing setup in regards to Identity based rules in the distributed firewall, and security groups with AD Group members, needs to be redone. So be careful to document everything before you delete the domain.

Relevant NSX version: 6.3.2.5672532

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