1. You may see the old server’s name still listed when you view DHCP Authorized servers
2. You may get the following error: "There is no such object on the server” when tried to unauthorized
Solution:
Remove the objects from Active Directory using ADSIEDIT:
1. Start Adsiedit.msc.
2. Open the configuration Container.
3. Expand Services.
4. Expand Net Services.
5. On the right hand side, find a record named CN=DHCPRoot
6. Right Click the CN=DhcpRoot entry and then click Properties
7. Highlight DhcpServers Attribute and click Edit
8. Highlight the entry with the old Domain name and click Remove from DHCPServers Attribute. Click OK to close DHCPServers editor’s screen
9. Once deleted the DHCPServers value will be “not set"
10. Save the change by clicking OK and close Adsiedit.
11. Restart the DHCP server service
12. run the following command: “Netsh DHCP show server” to check
13. If the servers are still listed, run the command “netsh DHCP delete server ServerFQDN ServerIPAddress”
1. Start Adsiedit.msc.
2. Open the configuration Container.
3. Expand Services.
4. Expand Net Services.
5. On the right hand side, find a record named CN=DHCPRoot
6. Right Click the CN=DhcpRoot entry and then click Properties
7. Highlight DhcpServers Attribute and click Edit
8. Highlight the entry with the old Domain name and click Remove from DHCPServers Attribute. Click OK to close DHCPServers editor’s screen
9. Once deleted the DHCPServers value will be “not set"
10. Save the change by clicking OK and close Adsiedit.
11. Restart the DHCP server service
12. run the following command: “Netsh DHCP show server” to check
13. If the servers are still listed, run the command “netsh DHCP delete server ServerFQDN ServerIPAddress”
