1. Click the Windows 'Start' button and select 'All Programs.' Click 'Accessories' and then click 'Remote Desktop.' This opens a connection dialog box.
2. Type the name of the Remote Desktop computer and click 'Connect.' The Windows login screen prompts you for your username and password. Enter this information into the login screen and click 'OK.'
3. Click the remote computer's 'Start' button, then click 'Computer.' In the open list of drives, notice one drive is labeled with 'tsclient.' This is your local hard drive. Double-click this drive and navigate to the location of the OCX file you want to install. Right-click it, select 'Copy' and paste the file to the remote computer's desktop. This makes it available to install in the command line.
4. Click the remote computer's 'Start' button again and type 'cmd' into the search text box. Press 'Enter' to open the command line utility.
5. Type 'regsvr32 /s activex.ocx' and press 'Enter' where 'activex.ocx' is your own ActiveX control file. This installs and registers the file on the remote computer.