When attempting to start the DHCP service on a Windows 2019 server, I get the error The Data is Invalid . I've checked permissions and also the dependancies but haven't been able to resole the issue. Any assistance would be greatly appreciated.
Can you disable any unused or extra NIC's
What does event logs say?
Clean Boot?
Reboot?
PCSmart Solutions is an IT service provider.
Was that a functional DHCP server? New install? Does it gives you any other error numbers? (Event Viewer)
You may need to rebuild the DHCP database, which you can achieve unauthorizing and deleting the scope, stopping the DHCP server services, renaming the database, restarting the DHCP server services, recreating the scope, and authorizing the DHCP server.
Take a note of the configuration before deleting anything.
Hi - and thanks for your first question.
As others have pointed out, we need more information to resolve the issue. My first suggestion is always a re-install. If you can, create a new server (VM!) and then add DHCP. I have literally added DHCP to Windows Server on thousands of hosts in my career. This is an error I can not recall ever seeing but it sounds like a permissiions issue.
You say you got an error - where? Which log and what was happening at the same time. One thing that I've found helpful is to load Wireshark and look at the traffic at the time of the failure. If you know what the server is doing (and failing) the error message may make more sense.
Please let us have more information - and also tell us how you resolved this issue.
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