1.When installing the Sonos Controller for PC, select Unblock in the Windows Firewall.

2. If the dialog box does not appear, go to Start>Settings>Control Panel.

3.Click Security Center>Windows Firewall.

4.Click the Exceptions tab.

5.Make sure Sonos Controller for PC has a check mark next to it.

6.If you don’t see Sonos Controller for PC and you have already installed the Sonos Controller for PC, click the Add Program button and browse until you find Sonos Controller for PC.

7.Click to highlight, and then click OK.

1.Display the Firewall settings screen.

2.From the Main tab, check to make sure the Trusted Zones Security is set to Medium (default setting) level security, and the Net BIOS ports are open (default).

3.Click the Zones tab, and verify that the network the Sonos Zone Player resides on is set to Trusted.

4.From the Program Control screen, make sure the Sonos Controller for PC (Sonos.exe) application is allowed full access to the Internet/Network.

5.When launching the Sonos Controller for PC, select Remember this Setting and click Allow.

Note:    The Sonos Multi-Room Music System will not operate correctly if the Trusted Zone is set to High, and if Net BIOS ports are blocked.

1.Display the Firewall settings screen.

2.From the Main tab, check to make sure the Trusted Zones Security is set to Medium (default setting) level security.

3.From the Program Control screen, make sure the Sonos Controller for PC (Sonos.exe) application is allowed full access to the Internet/Network.

4.When launching the Sonos Controller for PC, select Remember this Setting and click Allow.

Note:    The Sonos Multi-Room Music System will not operate correctly if the Trusted Zone is set to High, and if NetBIOS ports are blocked.

1.When the Sonos Application requests access to the Internet, select Grant Access.

2. Select a security level from the Security Settings tab. The Sonos Multi-Room Music System is compatible with all McAfee Personal Firewall configurations except Lockdown.

3.From the Internet Applications tab, make sure that the Sonos Application is set to Allow Full Access.

If the above configuration does NOT let the Sonos Multi-Room Music System operate correctly, you can try changing the firewall settings to allow access to your music and your ZonePlayers.

•Open the firewall by double-clicking the icon in the system tray - typically in the bottom right corner of your screen.

•Select Utilities in the System Services.

•Put a check mark in the box next to Microsoft Directory Server Port 445.

•Put a check mark in the box next to Universal Plug and Play (UPNP) Port 5000.

•Select OK.

The Norton Personal Firewall is fully compatible with the Sonos Multi-Room Music System. Follow the steps below to configure your firewall:

1.Make sure the Sonos Controller for PC is allowed full access on all ports (when asked) by selecting Always allow connections in this program on all ports.

2.Select Permit from the What do you want to do drop-down when sonos.exe attempts to access the Internet.

3.Allow sonos.exe to connect to a DNS server by selecting Always allow connections in this program on all ports.

4.From the Firewall tab, select a firewall level. The Sonos Multi-Room Music System is compatible with any Internet Security setting you choose, from High to Off.

5.From the Programs tab, make sure that sonos.exe is set to Permit All.

For Professional Firewall users, all of the following settings must be changed on the Advanced selections screen:

•Scroll to Default Inbound Net BIOS Name, click Modify, click Permit, then click OK.

•Scroll to Default Block MS Windows Vista SMB, click Modify, click Permit, then click OK.

•Scroll to Block Windows File Sharing, click Modify, click Permit, then click OK.

•Scroll to Inbound UDP, click Modify, click Permit, then click OK.

•Click OK to exit the Advanced Firewall selections screen.

Note:    The Sonos Multi-Room Music System will NOT function correctly if ‘Block Traffic’ is enabled.

If you are running Black Ice Protection, be sure to allow the Sonos Controller for PC (Sonos.exe) full access to the Internet and Network.

Black Ice Protection by Internet Security Systems is fully compatible with the Sonos Multi-Room Music System. Your music system will operate seamlessly if you select either the Cautious or Trusting protection level from the Firewall tab.

If you cannot access your music and Sonos Controller for PC software after setting the Protection Level to Cautious or Trusting, please follow the instructions below:

1.Select the Intruders or Events tab.

2.Identify the ZonePlayer’s IP address.

3.Right-click and select Trust Intruder>Trust and Accept.

This setting will allow the Sonos Multi-Room Music System accessibility with all firewall security settings; Trusting, Cautious, Nervous, and Paranoid.