NLTest /dsregdns test indicates ERROR_NO_LOGON_SERVERS

Question : NLTest /dsregdns test indicates ERROR_NO_LOGON_SERVERS After rebooting 2 of my domain controllers, I get an error when attempting to login.  If I log in with any other account other than DOMAINAdministrator, I get an error message that states the domain cannot be found. I have a parent/child domain with approximately 15 domain controllers After logging in as the DOMAINAdministrator, I see event 5781 in the system log: ****************************************************************************************************************** Event Continue Reading →

“MMC cannot initialize the snap-in” when opening DHCP console

Question : “MMC cannot initialize the snap-in” when opening DHCP console In our domain controller we have installed DHCP service and different scopes are defined for different subnets. I get  “MMC cannot initialize the snap-in” error when I tried to open one of the scope’s “address Leases” and ” Reservations” part. All other scope on the same MMC does not show this error message. Any clue why this happens for only Continue Reading →