Linked Server And Password

Apr 8, 2008

Hello guys,

I have developed a stored procedure that create linked server. The problem is:
to crearte the linked server I need to pass user and password. How can I pass user and password in a encrypted way.
I think that if the stored proc execute: addlinkedserver procedures with user and password, these are readable to everybody with sniffer or SQL profile.

How can I pass encrypted password to SQL server engine to create a linked server?

Thank

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Linked Server And Password

Apr 8, 2008

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Is there a way in SQL2005 to copy the linked server password from SQL2000?

We are about to copy our SQL 2000 database to SQL 2005 (and change operating systems and make other changes to the system). We can't do an upgrade in place because of the other changes, plus we want to have the original in case we can't get it updated before the start of business the next day.

I plan to move the databases by copying the files and attaching them, and I have a program that pulls users and encrypted passwords and adds them to the new system without encrypting the already encrypted passwords. Jobs I can script and run on the new system, DTS jobs I can open and save to the new system, and linked servers I can get the names of and link on the new server.

In SQL 2000 I would have "cheated" and copied the "DTS" and "Jobs" tables from one server to the other, but SQL 2005 has made it more complicated, so I will do it the slower way.

The problem comes with the linked server passwords. While I can see the linked server data in the master system tables, including the names and that there is an encrypted password. The problem is I don't know the passwords, so I can't enter it myself, and I can't update the system table, so I can't insert it as is. And sp_addlinkedsrvlogin does not have an option to not re-encrypt the password (like @encryptopt = 'skip_encryption' in sp_addlogin).

Is there a way to figure out the password, or copy/insert the password without having it re-encrypt? In SQL2000 I would have done:

update A set
name = b.name,
password = b.password
from sysxlogins A, sysxlogins B
where A.srvid = 22
and B.srvid = 11

But SQL 2005 will not allow you to do this kind of update (allow updates has no effect).

Thanks, Tim

PS - Anything I might have missed that anyone can suggest, or any faster method of copying the database? We have a limited maintenance window to do this upgrade, so anything I can do ahead of time will help. Thanks again. Tim

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However, the package now deploys correctly to the production server and will run from there OK, but NOT if scheduled as a SQL Server Agent Job. Thus is because however often I edit the command line to include the password after the DECRYPT switch (which it has prompted me for when I click on the command line tab), the Job Step will not retain it.
If I open it up after I have edited it and closed it, the password has disappeared.

I know that if I run dtexec plus the code in the Command Line tab (with the password), the package runs OK.

This is driving me insane!
I have read all the other posts and so I tried replacing the SSIS package step with a CmdExec step and pasting that code into there - then I get an OLEDB error..

The code I use is:
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TITLE: Microsoft SQL Server 2005 Setup
------------------------------

The sa password must meet SQL Server password policy requirements. For strong password guidelines, see Authentication Mode, in SQL Server Books Online.

For help, click: http://go.microsoft.com/fwlink?LinkID=20476&ProdName=Microsoft+SQL+Server&ProdVer=9.00.2047.00&EvtSrc=setup.rll&EvtID=28001&EvtType=sqlca%5csqlcax.cpp%40SAPasswordPolicyCheck%40SAPasswordPolicyCheck%40x6d61

------------------------------
BUTTONS:

&Retry
Cancel
------------------------------

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Hi ,
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There is another Server is already mapped, when i am trying to see the Tables under that one of the
Linked Server i am getting the Error message saying that
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Thanks

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The following is the code that I am using right now:

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INSERT
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