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SERVERPROPERTY('SERVERNAME') & @@SERVERNAME

Posted on 2010-08-23
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Even though both these come from the SQL installation, they are different. How could that have happened?

Are they looking at 2 diff source, even though they are derived from the installation?

Thanks
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Question by:anushahanna
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by:chapmandew
ID: 33504395
you're getting 2 different values?  what are you getting?
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Rich Weissler earned 1600 total points
ID: 33504423
From the BoL:
"Although the @@SERVERNAME function and the SERVERNAME property of SERVERPROPERTY function may return strings with similar formats, the information can be different. The SERVERNAME property automatically reports changes in the network name of the computer.In contrast, @@SERVERNAME does not report such changes. @@SERVERNAME reports changes made to the local server name using the sp_addserver or sp_dropserver stored procedure."
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by:anushahanna
ID: 33504431
select SERVERPROPERTY('SERVERNAME') is JMRW185422
select @@SERVERNAME is CO6849B546
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by:anushahanna
ID: 33504440
select SERVERPROPERTY('SERVERNAME')  corresponds correctly to the machine name and the default instance also.
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by:chapmandew
ID: 33504451
renamed the server recently?
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by:anushahanna
ID: 33504635
renamed the server recently?

no.. just seen it lately.. so no workable issues with it...
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by:mattibutt
ID: 33506179
Have you changed computer name after the install
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by:anushahanna
ID: 33507214
I had not; at least after SQL install, computer name was not changed.
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by:mattibutt
mattibutt earned 400 total points
ID: 33537496
Try to reinstall sql server
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by:anushahanna
ID: 33538527
just to change @@SERVERNAME?
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by:Rich Weissler
ID: 33542135
*confused*  Sorry, didn't realize this was still under discussion:

What happens if you execute:
sp_addserver 'local'
and then compare?
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by:anushahanna
ID: 33544612
Thanks Razmus,
just to confirm

with the current state being:
select SERVERPROPERTY('SERVERNAME') is JMRW185422
select @@SERVERNAME is CO6849B546

you recommend the foll:
sp_addserver 'local'
to see if the 2 results will sync up?
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by:Rich Weissler
Rich Weissler earned 1600 total points
ID: 33544657
Yes.
 That's based upon: http://msdn.microsoft.com/en-us/library/ms174411.aspx
"Specifying @local as LOCAL defines @server as the name of the local server and causes the @@SERVERNAME function to return the value of server. "
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by:anushahanna
ID: 33545007
I ran sp_addserver 'local'

still
select SERVERPROPERTY('SERVERNAME') is JMRW185422
select @@SERVERNAME is CO6849B546

should i restart the services?
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