Improve company productivity with a Business Account.Sign Up

  • Status: Solved
  • Priority: Medium
  • Security: Public
  • Views: 5751
  • Last Modified:

DHCP failover configuration fails


I'm trying to configure DHCP failover on all of my scopes to another Server 2012 with DHCP installed. But when I try to configure DHCP failover, it comes with this error:

Error 20044. The class name being used is unknown or incorrect.

The class name being used is unknown or incorrect
What am I doing woring.
Sum Wum
Sum Wum
1 Solution
piyushranusriSystem Cloud SpecialistCommented:
please review these URL,


here Microsoft Article shows step by step, i think you should check the configuration from step 1. and keep in mind check your event logs
Sum WumAuthor Commented:
It turns out that it was a server option that there was something wrong with. After I deleted it and created it again, everything works.
Has Powershell sent you back into the Stone Age?

If managing Active Directory using Windows Powershell® is making you feel like you stepped back in time, you are not alone.  For nearly 20 years, AD admins around the world have used one tool for day-to-day AD management: Hyena. Discover why.

Thomas GrassiSystems AdministratorCommented:
Hope my article helped you determine that
Sum WumAuthor Commented:
I get the same error message. How did you find out what server option was 'wrong'?
Sum WumAuthor Commented:
I found out that I had manually entered the same option for both the scope and the server. After I removed it from the scope, it appeared as a server option and everything worked fine.
Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.

Join & Write a Comment

Featured Post

Free Tool: IP Lookup

Get more info about an IP address or domain name, such as organization, abuse contacts and geolocation.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

Tackle projects and never again get stuck behind a technical roadblock.
Join Now