DNS Manager Hostname says pc45.domain.com should resolve to X.X.45.45 not X.X.45.30 Ping can be blocked by windows firewall or other firewall software so that is something to check.

If you’re faced with this issue, you can try either of our recommended solutions below to resolve the issue. Restart Server computer Use dsa.msc snap-in on the existing Domain Controller Let’s ...

Microsoft shared info on a now-fixed known issue leading to Local Security Authority Subsystem Service (LSASS) crashes and Windows Server domain controller.