Failure Detection and Recovery

Server Side Inactivity Timer

Server Side Inactivity Timer allows implementing an optional administrative policy to terminate sessions after a period of inactivity.

For example; ACME Company purchased Georgia SoftWorks Telnet Server with a single session. User Bob connects a session locks his office and goes home. No one else can connect due to the licensing limit.

If data (keyboard or mouse events) is not received from a client within the specified server side inactivity time then the client session is terminated. This feature is useful to ensure that an abandoned 3^rd party client session is terminated properly, releasing the telnet session for others to use. The Server Side Inactivity Timer is used only if the client side heartbeat is not used.

This timer is a registry key value and is in seconds.  The key is:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ GS_Tnet\Parameters\InactivityTimeout

The default value is 0xffffffff that is -1. (That is disabled.)

This is how to change the registry key for the Server Side Inactivity Timer.

Note: (you must be on the Windows NT/2000 system that the Georgia SoftWorks Windows NT/2000 Telnet Server is installed. However you may connect to the Windows NT/2000 Registry from a remote location).

1.      Click the Start button at the bottom left corner of your screen.

2.      Click RUN

3.      Type REGEDT32 

4.      Click OK

5.      Select Windows item HKEY_LOCAL_MACHINE

6.      Select the menu item Edit

7.      Move the mouse pointer and click  Find

8.      Type InactivityTimeout

9.      Click on Find Next

10.  Select the menu item Edit and then click on Modify

11.  Enter the new value for the InactivityTimeout and click OK

The new InactivityTimeout will take effect for all new connections that do not have a client heartbeat configured.

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Last modified: June 24, 2008