By default, the Web page is available through port 8080. If another program already uses this port, you will need to specify a different port.
The port number is shown on the summary screen when you install the management server. To be able to change the port number, select the I want to manually select the Acronis components… check box in the machine role selection window. Then, specify the port in the corresponding window.
If the management server is already installed, you can change the port number by reconfiguring the Web server, as follows:
Important: Do not specify the port through which the management server communicates with other components of Acronis Backup. By default, this is port 9876.
net stop "Acronis Web Server Service"
net start "Acronis Web Server Service"