RE: SQL Server Question

Thank you everyone. That is exactly what happened and I have a plan in place to fix it tomorrow morning when it fails back.

Scott Canaan ‘88
Sr Database Administrator
Information & Technology Services
Finance & Administration
Rochester Institute of Technology
o: (585) 475-7886 | f: (585) 475-7520
srcdco_at_rit.edu<mailto:srcdco_at_rit.edu> | c: (585) 339-8659

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From: Andy Sayer <andysayer_at_gmail.com> Sent: Wednesday, September 13, 2023 2:38 PM To: dbakevlar_at_gmail.com
Cc: oracle-l_at_freelists.org; Scott Canaan <srcdco_at_rit.edu> Subject: Re: SQL Server Question

Hi Scott,

The SIDs of the server principals (logins) are probably different between your AO sites. I suggest grabbing the SIDs from your current primary site, then recreate the logins in your secondary site including the SID= clause.

When you create new logins, you can either grab their SID on the primary before you create on secondary. Or you could just hardcode a SID in advance and create the exact same login on all instances.

Hope that helps,
Andy

On Wed, Sep 13, 2023 at 10:54 AM, Kellyn Pot'Vin-Gorman <dbakevlar_at_gmail.com<mailto:dbakevlar_at_gmail.com>> wrote: Hey Scott,
Are you saying you have to run sp_change_user_login each time a failover occurs to sync all the db users with the server logins? I just want to ensure I understand the exact challenge you’re facing…

Thanks
Kellyn

On Wed, Sep 13, 2023 at 09:55 Scott Canaan <srcdco_at_rit.edu<mailto:srcdco_at_rit.edu>> wrote: I know this is not normal, but I don’t have any other place to ask:

We have a SQL Server AlwaysOn cluster. Whenever a failover occurs, the database accounts become orphaned. I can fix it manually once it fails over. Everytime it fails over, the login becomes orphaned again.

Does anyone know how to fix this?

Scott Canaan ‘88
Sr Database Administrator
Information & Technology Services
Finance & Administration
Rochester Institute of Technology
o: (585) 475-7886 | f: (585) 475-7520
srcdco_at_rit.edu<mailto:srcdco_at_rit.edu> | c: (585) 339-8659 CONFIDENTIALITY NOTE: The information transmitted, including attachments, is intended only for the person(s) or entity to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon this information by persons or entities other than the intended recipient is prohibited. If you received this in error, please contact the sender and destroy any copies of this information.

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