Cannot open Service Control Manager on ''[ComputerName]''. (4255581)

While attempting to install an Active Administrator service agent on a computer, the following error message appears: “Cannot open Service Control Manager on computer '[ComputerName]'. This operation might require other privileges”

This error can occur for the following reasons:

The logged on user performing the service agent install does not have administrator privileges on the target server, the server is not available on the network or is blocked by a firewall

1. Ensure the logged on user has administrator privileges on the target server. 
2. Ensure the server can be accessed from the server that you are attempting to install the service agent from. Attempt to connect to the service manager from the source computer
   • Click Start then select Run
   • Type compmgmt.msc and click OK
   • Right click on Computer Management
   • Click Connect to another computer
   • Select the Another computer radio button
   • In the textbox provided, type the name of the target computer
   • Expand Services and Applications
   • Select Services
3. Ensure TCP and UPD port 135 is not blocked by any firewalls
4. Try rebooting the Active Administrator server