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SQL error running WITH EXECUTE AS

Posted on 2010-11-11
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Last Modified: 2012-05-10
I tried to add the following to my stored procedure but it did not work

WITH EXECUTE AS 'sa'

I got an error reading.

Cannot execute as the user 'sa', because it does not exist or you do not have permission.
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Question by:Mr_Shaw
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Accepted Solution

by:
AmmarR earned 125 total points
ID: 34110312
Execute as will impersonate the usage of the store procedure

to know more about it read this great article

http://www.sommarskog.se/grantperm.html#EXECUTE_AS
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Assisted Solution

by:EvilPostIt
EvilPostIt earned 250 total points
ID: 34110336
SA is a login not a user.

Have you tried execute as 'dbo'?
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Author Comment

by:Mr_Shaw
ID: 34110359
I have a stored procedure which executes an Agent Job.

The Agent Job is owned by the SA.

should i not write WITH EXECUTE AS 'sa' ?
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Assisted Solution

by:subhashpunia
subhashpunia earned 125 total points
ID: 34110368
You can use "Login_Name" in Execute AS clause only for DDL triggers with server scope or logon triggers.

For more information please check the article:
http://msdn.microsoft.com/en-us/library/ms188354.aspx
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Author Comment

by:Mr_Shaw
ID: 34110369
how about

WITH EXECUTE AS LOGIN = 'sa'
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Expert Comment

by:subhashpunia
ID: 34110383
Inside stored procedure use as: WITH EXECUTE AS 'dbo'



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Assisted Solution

by:EvilPostIt
EvilPostIt earned 250 total points
ID: 34110396
subhashpunia,

Please see the second comment.......
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Author Closing Comment

by:Mr_Shaw
ID: 34110430
using dbo through back a permission error.

I'll read through all the material and try again.

Thanks
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Expert Comment

by:AmmarR
ID: 34110432
Dear Mr_Shaw:

EvilPostIt: post to use dbo instead of sa will solve your initial problem but soon after that you will get the below error

The server principal "User" is not able to access the database "DB" under the current security context.

so i suggest reading the article i posted above and knowing every thing about Execute as before using it, its not  a straight forward thing and has many considerations.

Regards
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Expert Comment

by:EvilPostIt
ID: 34110446
Hi AmmarR.

Agreed, you should always know what your using. Plus with my original posting i didnt realise this was executing something outside of the current database.
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Expert Comment

by:AmmarR
ID: 34110496
Sure EvilPostIt:
Agree

good day
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