Article ID: 261007 - View products that this article applies to.
This article was previously published under Q261007
NoticeThis article applies to Windows 2000. Support for Windows 2000 ends on July 13, 2010. The Windows 2000 End-of-Support Solution Center
(http://support.microsoft.com/?scid=http%3a%2f%2fsupport.microsoft.com%2fwin2000)is a starting point for planning your migration strategy from Windows 2000. For more information see the Microsoft Support Lifecycle Policy
The following event may be logged in the Application event log:
The client computer may also experience an extremely slow logon.
Event ID: 1000
Event Source: Userenv
Windows cannot determine the user or computer name. Return value (1722).
This behavior can occur if the address for the configured preferred DNS server on the client is invalid or unreachable.
To resolve this behavior, correct the DNS address in the Internet Protocol (IP) properties: