Looking for logging into the Failed For User Workgroup site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Failed For User Workgroup site. After that you can login as usual with your login credentials.
https://stackoverflow.com/questions/2806438/login-failed-for-user-domain-machinename
https://social.msdn.microsoft.com/Forums/sqlserver/en-US/0e164b46-e251-4b7f-98bd-2170c63c6902/login-failed-for-user-ltdomaingtltcomputergt%3Fforum%3Dsqldataaccess
https://support.microsoft.com/en-ae/help/555332/login-failed-for-user-error-message-when-you-log-on-to-sql-server
https://www.itnota.com/resolve-iis-sql-login-failed-for-user-domain-pcname/
https://forums.asp.net/t/1990017.aspx%3FLogin%2Bfailed%2Bfor%2Buser%2BDOMAIN%2BMACHINENAME%2B
https://github.com/aspnet/AspNetCore/issues/3631
https://dba.stackexchange.com/questions/24686/login-failed-for-user
https://support.episerver.com/hc/en-us/articles/115004125786-Login-failed-for-user-domainmachine-name-
https://docs.telerik.com/report-server/knowledge-base/sql-storage-integrated-security
https://network.informatica.com/thread/78038
https://www.symantec.com/connect/forums/login-failed-user-domainservername
https://forums.iis.net/t/1196344.aspx