MOVEit Central uses the hostname/IP address and port number configured in its service user's Internet Explorer settings for its proxy settings. If these values are filled in, MOVEit Central knows that a proxy server is in use and will attempt to connect through it.
If the proxy server requires "Windows Integrated" NTLM authentication, MOVEit Central will automatically present the proxy server with the same username and password credentials the MOVEit Central service already provides to sign on the Windows server.
Internet Explorer's Proxy Settings
To access and change MOVEit Central's proxy values, you will likely need to sign on interactively as MOVEit Central's service user and launch Internet Explorer as that user.
To get to Internet Explorer's proxy settings: