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 Different sequrity behaviour when logging in local

Author  Topic 

mhoglund
Starting Member

3 Posts

Posted - 2011-05-16 : 05:42:51
Hi everyone,

I've got a strange sequrity behaviour on a server running SQL 2005 SP4 on Win 2008R2. When connecting to the server through Windows authentication in SSMS I seems to get different sequrity contexts.

Backgound:
I belong to two AD sequrity groups, lets call them DBA and DBDEV. Since this is a production box the DBDEV group has very limited privileges. The DBA group belongs to local admin group on the server. When I connect remotely to the SQL Server in SSMS everything is OK and I can admin the server as usual. When I log on to the server using RDP I get admin rights in Windows.

Problem:
When I connect locally to the SQL Server in SSMS (using RDP) I get the limited privileges from DBDEV. If I use sa (local or remote) and runs xp_logininfo to check permission paths it shows me both groups.

How could a user logged in through Windows autentication have different privileges depending on from which computer he/she connect??

Martin
SQL Server DBA and developer since 2000




nigelrivett
Master Smack Fu Yak Hacker

3385 Posts

Posted - 2011-05-16 : 06:45:58
Have you checked the logins that are being used?

==========================================
Cursors are useful if you don't know sql.
SSIS can be used in a similar way.
Beer is not cold and it isn't fizzy.
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mhoglund
Starting Member

3 Posts

Posted - 2011-05-16 : 07:14:14
nigelrivett: not sure what you meen with "checked", but both sessions use the same sid so it aught to be the same login.

Martin
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mhoglund
Starting Member

3 Posts

Posted - 2011-05-17 : 05:00:14
Still got the problem, but one step further. When I use SSMS on the server (through RDP) and connect to other SQL servers everything is OK and I have the correct security context. That ensure, at least to me, that it's the very same AD login used as when I connect remote.

So, it seems to be something wired in the config of SQL server, but I can't figure out what...
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