1. If you have Active Directory, then your DHCP service must be authorized. To check that DHCP is authorized, open DHCP console, right click in the root (DHCP) and choose "Manage Authorized servers ..."
2. The scope must be activated. Open DHCP console and check that there is no red mark on the scope. If there is, right click on the scope and choose activate.
3. Check event viewer for error messages about DHCP.
4. check that DHCP service is running. Open command prompt and type
net start
check for the presence of DHCP server service.
5. If DHCP was once running and then stopped, perhaps dhcp database is corrupt.
If DHCP database is not important to you (small network, no reservations), you can delete it. If it is important, you may try to fix it. Open command prompt. Change directory to C:\WINNT\system32\dhcp.
- If you wish to delete database:
del dhcp.mdb
- If you wish to try to repair it:
net stop dhcpserver
jetpack dhcp.mdb zztemp.mdb
net start dhcpserver