Looking for logging into the Oss Message 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 Oss Message site. After that you can login as usual with your login credentials.
https://support.sap.com/en/index.html
https://archive.sap.com/discussions/thread/202084
https://blogs.sap.com/2016/05/11/create-a-oss-message-to-sap-support-team/
https://www.berater-wiki.de/SAP_OSS
https://www.reddit.com/r/SAP/comments/5y8jqc/sap_customer_incident_oss_message_handling_and/
https://books.google.de/books?id=OrJb_dTva5cC&pg=PA39&lpg=PA39&dq=oss+message+login
https://books.google.de/books?id=s7kfMfB2o6kC&pg=PA210&lpg=PA210&dq=oss+message+login
https://books.google.de/books?id=usTJcmeVKPcC&pg=PA504&lpg=PA504&dq=oss+message+login
https://www.youtube.com/watch?v=dRtIySX5uSk
https://books.google.de/books?id=kerUDQAAQBAJ&pg=PA278&lpg=PA278&dq=oss+message+login