Anti-spyware software may not allow the OAS to write to the Windows operating system Hosts file. Some anti-spyware software may prompt you to accept or reject the change; other software does not allow the change to occur at all.
If the anti-spyware software is blocking the OAS from editing the Hosts file, you can still log in to the OAS ; however, you may not be able to navigate to child engines or other OAS devices through the OAS (Site Director) using the Metasys system user interface.
If you are using anti-spyware software, accept changes to the Hosts file that write Metasys Device Names/IP pairs to the file if you are prompted. If the software automatically denies Hosts file changes, configure the anti-spyware software to allow the IIS Admin Service to edit the Hosts file.
Configure and verify that the anti-spyware software allows the Metasys Device Manager and Metasys Action Queue services to run on the OAS computer.