DOCUMENT:Q101785  26-JUL-1993  [W_NT]
TITLE   :Valid TCP/IP Host Names (as Specified by RFC 952)
PRODUCT :Windows NT
PROD/VER:3.10
OPER/SYS:WINDOWS
KEYWORDS:

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The information in this article applies to:
 
 - Microsoft Windows NT operating system version 3.1
 - Microsoft Windows NT Advanced Server version 3.1
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TCP/IP host names are limited to a more restrictive set of characters
than computer names. The following characters are valid:
 
   0...9
   a...z
   A...Z
   .
   - (hyphen, not underscore)
 
Note: Your computer name does not have to be the same as your host
name. By default, TCP/IP setup will set your host name to your
computer name, replacing illegal characters with a hyphen (-).
 
Additional reference words: 3.10
KBCategory:
KBSubCategory: TPIP NETSRV

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Copyright Microsoft Corporation 1993.