Here is a problem that had to fix yesterday.
When trying to authorize DHCP server, it authorizes but the red cross does not disappear and the server does not provide any IPs to the clients. Although DHCP console on the server and DHCP console on the domain is showing that the server is authorised. Only  when you restart DHCP service on the server, in the system event log you receive Error with Event ID 1046 (more…)