On a multiprocessor computer that is running Windows Vista or Windows Server 2008, a network connectivity failure occurs randomly when you run certain utilities, such as the Remote Shell (Rsh.exe) utility or the Remote Copy (Rcp.exe) utility. This problem occurs if a network application is using the same four-tuple (server IP address, server port, client IP address, and client port) every time that the utility reconnects a TCP session in a TCP TIME-WAIT delay period.

For example, consider the following scenario:

  • On the Windows XP-based computer, the Remote Shell service is installed.
  • On the Windows Vista-based computer that has multiple processors, the Remote Shell utility (Rsh.exe) is installed.
  • You use the Remote Shell utility on the Windows Vista-based computer to access the Windows XP-based computer.
  • The Remote Shell utility commands continue to run one after another for several minutes.

In this scenario, the Remote Shell utility may fail. Additionally, you may receive an error message that resembles the following:

Windows XP computer name: Operation timed out

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