Start the Registry Editor.
Select your server’s key (in the left side of the Registry Editor window, located in HKEY_LOCAL_MACHINE\SOFTWARE\Netscape\Enterprise\6.0).
Choose Add Value from the Edit menu. The Add Key dialog box appears.
In Value Name, type MortalityTimeSecs.
Click OK. The DWORD Editor dialog box appears.
Type the time interval (in seconds) between startup and automatic restart.
The interval can be in binary, decimal, or hexadecimal format.
Click the numerical format for the value you entered in the previous step (binary, decimal, or hexadecimal).