Regarding ip address

Question

hi gurus,
can anyone explain  why we need to give an IP address while we install sap on a standalone system . if possible can u provide  any links which help me in this regard.
   thanking you in advance,
   vikram krishna.

Answer 1

Hello Vikram,
The default loopback in Windows is 127.0.0.1
You could edit the Windows host file using the following command from "Run" in the Windows "Start" menu (assuming install defaults):
notepad c:\windows\system32\drivers\etc\hosts
Example:
Copyright (c) 1993-1999 Microsoft Corp.
This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
This file contains the mappings of IP addresses to host names. Each
entry should be kept on an individual line. The IP address should
be placed in the first column followed by the corresponding host name.
The IP address and the host name should be separated by at least one
space.
Additionally, comments (such as these) may be inserted on individual
lines or following the machine name denoted by a '#' symbol.
For example:
     102.54.94.97     rhino.acme.com          # source server
      38.25.63.10     x.acme.com              # x client host
127.0.0.1       localhost
127.0.0.1       [PUT SERVER NAME REFERENCED IN SAP INSTALL HERE]
Or you could even put "localhost" for the server name:
H:\>ping localhost
Pinging TWAGNERLTP [127.0.0.1] with 32 bytes of data:
Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
Ping statistics for 127.0.0.1:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 0ms, Maximum = 0ms, Average = 0ms
Hope that helps,
Thomas