Looking for logging into the Oracle R12 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 Oracle R12 site. After that you can login as usual with your login credentials.
https://www.oracle.com/applications/ebusiness/
https://support.oracle.com/knowledge/Oracle%2520E-Business%2520Suite/2151607_1.html
https://www.oracle.com/webfolder/community/oracle_e-business_suite/4100908.html
https://support.oracle.com/knowledge/Oracle%2520E-Business%2520Suite/741459_1.html
https://docs.oracle.com/cd/E18727_01/doc.121/e12893/T174296T174298.htm
https://www.oracle.com/webfolder/community/oracle_e-business_suite/3966991.html
https://www.oracle.com/webfolder/community/oracle_e-business_suite/4008633.html
https://www.youtube.com/watch%3Fv%3D9WS6yp1NUUQ
https://infosemantics.com/oracle-r12-vision-instance/
https://www.admin.ox.ac.uk/finance/support/
https://www.sbs.nhs.uk/client-system-login
https://www.packtpub.com/mapt/book/application_development/9781849680646/2/ch02lvl1sec01/logging-in-to-oracle-e-business-suite
http://anjaniappsdba.blogspot.com/2015/11/tips-for-personalizing-e-business-suite.html