Microsoft KB Archive/908880

= Xbox 360: Troubleshooting NAT issues =

Article ID: 908880

Article Last Modified on 10/29/2007

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APPLIES TO


 * Microsoft XBox 360 Video Game System
 * Microsoft Xbox

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SYMPTOMS
The network test that is performed on the Network status screen for the Network Address Translation (NAT) address shows a status of OPEN, MODERATE, or STRICT. If the status is OPEN, you have optimal settings for Xbox Live connectivity.

If you receive a MODERATE or a STRICT message, you may experience the following issues:
 * You cannot join certain game sessions.
 * When you are playing a game with other people on Xbox Live, you may not be able to hear what they are saying.



CAUSE
These issues may occur for several reasons including but not limited to the following:
 * You are connected to Xbox Live by using an incompatible device.
 * The device is compatible but you have the incorrect firmware.

Note You may experience the symptoms with the Network Status set to OPEN when you play against another user who has their Network Status set to MODERTE or to STRICT NAT. The host of the game will have to resolve the NAT issues accordingly.



THINGS TO TRY
Before you follow these steps, make sure that you power cycle all the devices on the network.

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

944294 Xbox 360: How to power cycle home networking devices

 Test your connection to Xbox Live.

Note You will not receive a result for this test if you cannot sign in to Xbox Live.

 If your router or gateway is using a moderate or strict NAT, replace it with an Xbox Live Compatible device.



MORE INFORMATION
Devices that perform strict or moderate NAT can limit the ability of gamers to find each other, to participate in sessions, or to hear each other on Xbox Live.

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