Error in login connections during an automatic failover in a database mirroring session

We are experiencing error in login connections during an automatic failover
in a database mirroring session. Anyone who has had similar problem that can
send suggestions/ideas greatly appretiated!
Thank you
Hello Dev,
From your description, my understanding of this issue is: You setup a
database mirroring on SQL 2005 SP1. After a failover, the application could
not connect to the server and you get a login error. If I misunderstood
your concern, please feel free to let me know.
Based on my research, it was a by design issue in SQL Server 2005.
The main cause of this issue is because incorrect security settings on
mirror server prevents client from the connection. In this scenario new
login on mirror server should be created with the same SID as login on
primary server. Once it's done - everything should work as charm.
I would like to provide the following article to successfully transfer
Users including their SIDS
to the Mirror when setting up SQL:
918992How to transfer the logins and the passwords between instances of
SQL Server
2005
http://support.microsoft.com/default.aspx?scid=kb;EN-US;918992
Sincerely,
Wei Lu
Microsoft Online Community Support
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|||Hi,
Just want to say Hi, and I was wondering how everything is going. If
anything is unclear, please let me know. It is my pleasure to be of
assistance.
Sincerely yours,
Wei Lu
Microsoft Online Partner Support
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|||Wei Lu:
This is not my original thread, but I am running into the same issue. I
have the same application login on my principal and mirror servers. When
failover to the mirror occurs, the login seems to lose its credentials. I
was thinking this was something to do with the SID. I am not that familiar
with SIDs. Can you point me in the right direction on how to make sure the
login has the same SID on both servers please?
Thank you in advance.
"Wei Lu [MSFT]" wrote:

> Hi,
> Just want to say Hi, and I was wondering how everything is going. If
> anything is unclear, please let me know. It is my pleasure to be of
> assistance.
> Sincerely yours,
> Wei Lu
> Microsoft Online Partner Support
> ================================================== ===
> PLEASE NOTE: The partner managed newsgroups are provided to assist with
> break/fix
> issues and simple how to questions.
> We also love to hear your product feedback!
> Let us know what you think by posting
> - from the web interface: Partner Feedback
> - from your newsreader: microsoft.private.directaccess.partnerfeedback.
> We look forward to hearing from you!
> ================================================== ====
> When responding to posts, please "Reply to Group" via your newsreader so
> that others
> may learn and benefit from this issue.
> ================================================== ====
> This posting is provided "AS IS" with no warranties, and confers no rights.
> ================================================== ====
>