1817452 - FQDN - underscore in hostname or domain | SAP Knowledge Base Article

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1817452 - FQDN - underscore in hostname or domain


Browser based Logon to ABAP system is not working correctly. Logon is only possible in browser popup or not possible at all.

Problem occurs in Internet Explorer only (all versions affected).



  • SAP Web AS
  • Internet Explorer


systemlogon, logon screen, internet explorer, IE, cookie, Fully Qualified Domain Name, FQDN, Fully Qualified Host Name, FQHN , KBA , anmeldecookie fehlt. , anmeldung mittels url parameter nicht , icf_system_login402 , BC-MID-ICF , Internet Communication Framework , BC-CST-IC , Internet Communication Manager , How To

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