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 SQL Server Administration (2005)
 BUILTIN\Administrators VS NT AUTHORITY\SYSTEM

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ravilobo
Master Smack Fu Yak Hacker

1184 Posts

Posted - 2008-08-19 : 16:42:03
What is the difference between - [BUILTIN\Administrators] and [NT AUTHORITY\SYSTEM].

Can I disable them?

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tkizer
Almighty SQL Goddess

38200 Posts

Posted - 2008-08-19 : 16:43:18
What did your search turn up?

Tara Kizer
Microsoft MVP for Windows Server System - SQL Server
http://weblogs.sqlteam.com/tarad/

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ravilobo
Master Smack Fu Yak Hacker

1184 Posts

Posted - 2008-08-19 : 16:48:47
First one looks like the admins on the box.

Second one looks like it has been created by sql server.

Both seems to have high privileges.


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tkizer
Almighty SQL Goddess

38200 Posts

Posted - 2008-08-19 : 16:51:04
My point is that you can easily find out your answer by googling for it. You've got over 1k posts now. If you've got a question about what your search turned up, then ask a way!

Tara Kizer
Microsoft MVP for Windows Server System - SQL Server
http://weblogs.sqlteam.com/tarad/

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ravilobo
Master Smack Fu Yak Hacker

1184 Posts

Posted - 2008-08-19 : 17:00:26
I didn't find the difference between that two in google, thats reson for the post.

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tkizer
Almighty SQL Goddess

38200 Posts

Posted - 2008-08-19 : 17:08:03
NT AUTHORITY\SYSTEM is the local system account.

BUILTIN\Administrators is the fixed server role that gives local admins permissions. Don't remove the role, rather just remove sysadmin if you don't want your server guys to have sa.

Tara Kizer
Microsoft MVP for Windows Server System - SQL Server
http://weblogs.sqlteam.com/tarad/

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rmiao
Master Smack Fu Yak Hacker

7266 Posts

Posted - 2008-08-19 : 23:42:14
>> Second one looks like it has been created by sql server.

No,it's not.
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ravilobo
Master Smack Fu Yak Hacker

1184 Posts

Posted - 2008-08-20 : 13:15:18
quote:
Originally posted by tkizer
BUILTIN\Administrators is the fixed server role ...


Are you sure about this? BOL doesn't list this account in fixed server roles.

Somemore things I found,

Local service account - NT AUTHORITY\LOCAL SERVICE
Local n/w service account - NT AUTHORITY\NETWORK SERVICE
Local system account - NT AUTHORITY\SYSTEM

It looks like, we can start SQL services under these accounts.

Where as BUILTIN\Administrators are the admins on the box.


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tkizer
Almighty SQL Goddess

38200 Posts

Posted - 2008-08-20 : 13:16:58
I misspoke. It's a default group that is granted the sysadmin fixed server role by default.

Tara Kizer
Microsoft MVP for Windows Server System - SQL Server
http://weblogs.sqlteam.com/tarad/

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ravilobo
Master Smack Fu Yak Hacker

1184 Posts

Posted - 2008-08-20 : 13:27:18
Thank you Tara.

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