On Windows® hosts, lock manager startup options are defined
internally. To change these defaults, you must create a new string value in
the Windows registry.
Using a Windows registry editor, navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Atria\ClearCase\CurrentVersion. (On 64-bit Windows platforms, navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Atria\ClearCase\CurrentVersion.)
Click Edit > New > String Value.
Select the new value and rename it LockMgrCmdLine.
By default, the new value will have the type REG_SZ.
Right-click the LockMgrCmdLine value and
select Modify to open the Edit String window.
In the Edit String window enter the following
string, substituting appropriate values for num