You cannot logon to ABAP system via HTTP when you use IP address in the URL even if you input the correct logon data. After you input correct logon data and click logon button, the page came back to the logon screen. For example,
This behavior may also happen when you use the hostname only without the domain name. For example,
MYSAPSSO2, SAP_SESSIONID_<system id>_<client>. , KBA , BC-MID-ICF , Internet Communication Framework , Problem
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