Error message when you try to log on to Windows Server 2003 or to Windows 2000 by using the IP address as the user name: "The specified target is unknown or unreachable" (906911)
The information in this article applies to:
- Microsoft Windows Server 2003, Enterprise Edition
- Microsoft Windows Server 2003, Standard Edition
- Microsoft Windows Server 2003, Web Edition
- Microsoft Windows Server 2003, Datacenter Edition
- Microsoft Windows Server 2003, Datacenter Edition for Itanium-based Systems
- Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
- Microsoft Windows 2000 Server
- Microsoft Windows 2000 Professional
- Microsoft Windows 2000 Advanced Server
- Microsoft Windows 2000 Datacenter Server
SYMPTOMSWhen you try to log on to Microsoft Windows Server 2003 or to Microsoft Windows 2000 Server by using an IP address as the user name, you receive an error message that is similar to the following: The system cannot log you on due to the following error:
The specified target is unknown or unreachable
Note You may also experience this problem when you use a thin client program that uses the IP address as the user name to automatically log on to Windows. CAUSEThis issue occurs because the Kerberos client that is included in Windows Server 2003 and in Windows 2000 does not allow interactive logon
when you use an IP address as the user name.
WORKAROUNDTo work around this issue, log on to the computer by using the user principal name (UPN) logon format. For example, use the following UPN format: Note X.X.X.X can be your IP address.
| Modification Type: | Minor | Last Reviewed: | 5/18/2006 |
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| Keywords: | kbtshoot kbprb KB906911 kbAudITPRO kbAudEndUser |
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