Solution : https://service.sap.com/sap/support/notes/611361 (SAP Service marketplace login required)
Summary :
SAP systems enforce specific formatting rules for hostnames, crucial for ensuring system stability and security. Hostnames must comply with general standards outlined in RFCs 952, 1101, 1123, and 1178, allowing alphanumeric strings, hyphens, and periods for domain delimitation. SAP imposes additional limits: hostname lengths are capped at 13 characters for releases 4.6 and above, and 8 characters for earlier versions. Specific guidelines apply for hostnames in Windows environments and when using Oracle, including sensitivity to case and restrictions on starting characters. Consistency across network configurations is mandatory to prevent errors in resolving hostnames.
Key words :
newer rfcs permit hostnames beginning, computers running microsoft windows, prerequisites sap systems require, servers running sap software, hosts running sap software, primary network interface, sap specific restrictions, case sensitive match, alpha characters [a-, sap configurations
Related Notes :
1624061 | Use of virtual TCP/IP host names |
1570309 | Computers with non-english characters in hostname |
1503149 | Long hostname support for SAP systems on HP-UX |
1318789 | hostname 8 character limitation on HP-UX with Oracle |
1274207 | long hostnames/nodenames on HP-UX |
1273678 | TREX Indexing: error while activating XI Message indexing |
1135491 | RSSTAT98 - Inconsistent host name when setting up SAPWLSERV |
962955 | Use of virtual TCP/IP host names |
849423 | Length of hostname for ABAP installation on Windows/Oracle |
654982 | URL requirements due to Internet standards |
492208 | INST: SAP Web AS 6.20 Installation on UNIX |
407107 | INST: SAP Web AS 6.10 Installation on UNIX |
129997 | Hostname and IP address lookup |
124562 | Hostname resolution problems (DNS timeouts) |
21151 | Multiple Network adapters in SAP Servers |
8307 | Changing host name on R/3 host: What do you do? |