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Changing SID of member server

Hi Here is brief overview of network config before the question

2008 Active Directory Domain
Multiple Sites correctly configured
VMware infrastructure

Now here is the problem.

A file server was cloned from an image that was used to create the first domain contoler in the domain. The cloned server (now a file server) was not sysprep so now has the same SID as the domain according to PSGetSID - The file server is functioning correctly however it is behaving strangely in so much as we cannot make domain users local admins and performing other admin tasks are proving difficult.

We are planning to sysprep the cloned file server and have put the following steps together:

1.      Remove SERVER from the domain
2.      Remove the SERVER computer account from the domain
3.     Force replication of Domain Controllers
4.      Take a VM Snapshot of the server
5.      Run Sysprep with the OOBE/Generalize options
6.      Confirm the server has a new SID
7.      Re-Join server to the domain
8.     Test

How does this sound and does anyone recommend any other steps? The server is a DFS Namespace server (which is my main concern) and has shared printers installed - although these can be easily recreated if necessary

Any help or advice would be greatly appriciated
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7demonsrising
Asked:
7demonsrising
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1 Solution
 
Joseph MoodyBlogger and wearer of all hats.Commented:
For the love of God, please don't make domain users an admin of the server...
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7demonsrisingAuthor Commented:
Don't worry! I have no intention of doing that! Just an example of something that we cant do on the server
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Joseph MoodyBlogger and wearer of all hats.Commented:
Ok. Good. Never even use that as an example. Everytime a standard user becomes a local administrator, an IT Adminsitrator loses his wings.

By the way, is this machine still a DC?
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7demonsrisingAuthor Commented:
No just a member server, so in theory should be relativity low risk I would expect, but just trying to get a bit of reassurance before I do it!

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Joseph MoodyBlogger and wearer of all hats.Commented:
That should be fine. Just make sure you have a backup.
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7demonsrisingAuthor Commented:
Cool thanks. We have image backups of this server and the data is stored on a separate virtual HDD and can revert back to the snapshot and rejoin to the domain if any issues I suppose..
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Joseph MoodyBlogger and wearer of all hats.Commented:
Good luck!
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