Microsoft KB Archive/230064

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The information in this article applies to:


 * Microsoft Windows NT Workstation version 4.0
 * Microsoft Windows 98
 * Microsoft Windows NT Server version 4.0
 * Microsoft Windows 95

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SYMPTOMS
When you try to download software from Microsoft that includes 128-bit encryption, you may receive the following error message:

Your computer does not have a Domain Name Service registered for it. We are unable to determine the physical location of your computer. You should contact your system administrator to find out why a DNS entry is not registered for your IP address. A DNS entry is a requirement for downloads at this time.

CAUSE
This issue can occur if the domain name server (DNS) that is the "Start of Authority" for your reverse lookup zone does not have a PTR record for your computer. Because 128-bit encryption technology cannot be exported outside the United States or Canada, Microsoft performs an inverse lookup of your Internet Protocol (IP) address. If Microsoft is unable to resolve this address to a domain name within the United States or Canada, this error message is generated.

RESOLUTION
To resolve this issue, contact your Internet service provider (ISP) to have them create a PTR record for you in the appropriate reverse lookup zone, or have your ISP grant you "Start of Authority" for the IP address range you use so that you can create and maintain a reverse lookup zone.

For information about how to install and configure DNS Server, please see the following article in the Microsoft Knowledge Base:

"Q172953 How to Install and Configure Microsoft DNS Server" Additional query words: 4.00

Keywords         : kberrmsg kbnetwork kbui win95 win98 Version          : WINDOWS:95; winnt:4.0 Platform         : WINDOWS winnt Issue type       : kbprb Last Reviewed: August 11, 1999