Pop-up Error: Cannot Complete Input Operation

• Microsoft Windows NT Workstation version 4.0
• Microsoft Windows NT Server version 4.0

SYMPTOMS

When you copy files from a system across a slow link using the Windows NT Explorer or Windows NT File Manager, you may receive a pop-up message stating:

Cannot complete input operation.

CAUSE

This error can occur if there is a session timeout.

RESOLUTION

To help avoid this error, you can lengthen the time that the NetBIOS session allows before timing out. You can set the SESSTIMEOUT parameter in the registry at the following location:

WARNING: Using Registry Editor incorrectly can cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.

For information about how to edit the registry, view the "Changing Keys And Values" Help topic in Registry Editor (Regedit.exe) or the "Add and Delete Information in the Registry" and "Edit Registry Data" Help topic in Regedt32.exe. Note that you should back up the registry before you edit it.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services
\LanmanWorkstation\Parameters

NOTE: The preceding registry key address is all one line. It has been wrapped for readability.

For additional information, please see the following article in the Microsoft Knowledge Base:

ARTICLE-ID: Q102067
TITLE : SESSTIMEOUT Information

Keywords : kbnetwork ntdomain NTSrvWkst
Version : WinNT:4.0
Platform : winnt
Issue type : kbprb