Important Notice: On February 29th, this community was put into read-only mode. All existing posts will remain but customers are unable to add new posts or comment on existing. Please feel to join our Community Discord for any questions and discussions.

Still problem with computer name mismatch, offline or unreachable etc.

Andreas Johansson

December 09, 2019 13:36

What to do ? Have follow every DNS guide PDQ have done, use same settings etc. But still problem. Is this a common issue ?

Comments

2 comments

Tim Ramey
December 09, 2019 19:26

I had this issue in my lab running the last two versions. We found 2 issues that were causing this.

1. Duplicate DHCP/DNS entry (not a PDQ Issue).

2. After deleting the duplicates, running "ipconfig /registerdns" from an elevated prompt cleaned this up.

Entire process took about 30 minutes to pick back up.

1
Ryan Joachim
December 12, 2019 18:36
1. Open CMD prompt (elevate if needed for your environment)
2. Type in ipconfig /flushdns and hit Enter. (I've had luck running this on the Inventory server as well.)
3. Type in ipconfig /release && ipconfig /renew and hit Enter.
4. Finally, type in ipconfig /registerdns.
That last line alone might be enough to resolve this problem, but the root of the problem is most likely the DNS Scavenging setting on your DNS server(s). Going too aggressive on the scheduling of scavenging can cause issues in some environments, but I think a good start would be 48 hours. It's not going to resolve issues like this that come from newly imaged or renamed machines (unless you wait 48 hours), but it should start to increase the overall health and accuracy of your DNS records.
2