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NETLOGON Errors

raortman
raortman asked
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Medium Priority
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Last Modified: 2010-08-05
Good Morning All,

Our server crashed.  And after much deliberation we decided to flatten it and reinstall the OS.  We're running MS Small Business Server.

I'm  new to the world of servers and don't know how to reestablish the 'trust relationship' between our server and our various client computers.  

Our error logs are reporting this error:  

"...the computer lost the correct security identifier (SID) when the domain was reconfigured.  Reestablish the trust relationship."

Okay.  How do I reestablish the trust relationship?  Where do I go from here?

Thanks in advance for your assistance.

/RO/
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Principal Consultant
CERTIFIED EXPERT
Most Valuable Expert 2016
Top Expert 2014
Commented:
A SID is in essence a "serial number" that uniquely identifies a computer or user account.  Because you flattened the server, you erased all of the workstation's SIDs that were stored on the old one.  Therefore, you must unjoin the workstations from the network and then rejoin them.  Please follow these steps in order to do this correctly:

The following needs to be done with the client machine:
1.  Log in with THAT machine's LOCAL administrator account.
2.  Unjoin the domain into a WORKGROUP -- from System Properties > Computer Name Tab
3.  Delete or rename the following directory C:\Program Files\Microsoft Windows Small Business Server\Clients if it exists
4.  Make sure that the network settings are configured to get an IP address automatically (DHCP enabled)
5.  Reboot

Then on the server, from the Server Management Console:
1.  Remove the client computers if it still shows in the Client Computer screen on the Server Management Console
2.  Add the client with it's NEW name using the Add Computer wizard

Then, go back to the client machine and join the domain by opening Internet Explorer and navigating to http://servername/connectcomputer

Jeff
TechSoEasy

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Commented:
Hi Jeff,

I think you've helped me before.  Ever think of moving to California?  Would you consider moving next door?

Your advice is terrific.  Many thanks for you help.  I can generally handle concise, accurate, step-by-step directions.

So, I think we're out of the forest.

Best regards,

/RO/
Jeffrey Kane - TechSoEasyPrincipal Consultant
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Most Valuable Expert 2016
Top Expert 2014

Commented:
Where do you think I am?  I live in San Francisco.  :-)

Somewhat close to Santa Barbara... but not next door.

Jeff
TechSoEasy
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