Changing logon server question

Thomas N
Thomas N used Ask the Experts™
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We want to test our new DC. If we force a change to the logon server. What is the best way to test that everything is working fine? Have them login to network resources to make sure they are authenticating okay to AD?
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Network Administrator
Commented:
The best way to test is to set up a different isolated network with a couple test machines to log in... Can be done with an old switch, or maybe even vlans. That way you can leave it set up for the ip address range it is going to be on when live...
Lee W, MVPTechnology and Business Process Advisor
Most Valuable Expert 2013
Commented:
If you have everything configured properly, then you can run DCDIAG /C /E /V and have no errors, then run REPADMIN /SHOWREPL and have no errors.  Then, you can disconnect the old DC for a few minutes and test.

You can also see what DC is authenticating you by typing SET L (no /) and look at the logonserver.  Let them both run for a few days then start checking.
Shaun VermaakTechnical Specialist
Awarded 2017
Distinguished Expert 2018
Commented:
Add testing subnet range to Active Directory Sites and Services and move it from site to site
Thomas NSystems Analyst - Windows System Administrator

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Commented:
Thanks.
Shaun VermaakTechnical Specialist
Awarded 2017
Distinguished Expert 2018

Commented:
Glad we could help.
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