Option to Select domain for log in disappeared from Old Service Desk Instance

Option to Select domain for log in disappeared from Old Service Desk Instance

I have an old version of Service Desk that we keep from archive version. it Version 9, My account was admin for the site. I removed log in access for all accounts for everyone except myself, 2 managers, and a generic account that is used to log in to retrieve old tickets for documentation. I was in this old instance yesterday with no issues and made no changes to settings, this morning I try to log in and from the log in page there is no option to select my domain, only wants local login, I do not know if there is a local admin log in, and if there is I do not know password. I cannot get in with my account, and know of no other way to get in with Site admin access. I need assistance with this. 

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