Airport Extreme (802.11n dual) breaks network HP photosmart 3210 scanning

I just "upgraded" from a Netgear to a new April 2009 Airport Extreme Base Station (802.11n dual). With the latest HP software etc the HP photosmart 3210 all-in-one scanner (connected via network to the router) works fine with my macs (a bunch of 10.5 machines), but when I swap out and use the new Apple Router the Scanning hanges and a message pops up on HP Scan Pro SW "Error (Sorry, scanner could not be initialized. An error has occurred communicating with the scanner.)" I reinstalled the HP SW and re-added the printer - no change.
Printing is fine - and scanning is fine when I go back to my old router. This looks like a router firmware issue, I'm probably going to have to return the router - bummer - anybody have this issue or can help?

Thanks for the idea, but my printer is connected by ethernet to the router and desktop computers - (I haven't tried wireless scanning with my laptops). I wouldn't think that wireless settings would impact the wired part of the router - but you never know.
It is frustrating how many incompatibility there are from router to router I don't understand why there can't be a standard and everyone sticks to it. (another example, google maps detailed zooming in and out will always freeze my netgear router - which is one reason I went to the apple router!)

Similar Messages

AEBS (802.11n dual) breaks network HP photosmart 3210 scanning

(reposted - had wrong forum!) I just "upgraded" from a Netgear to a new April 2009 Airport Extreme Base Station (802.11n dual). With the latest HP software etc the HP Photosmart 3210 all-in-one scanner (connected via network to the router) works fine with my macs (a bunch of 10.5 machines), but when I swap out and use the new Apple Router the Scanning hangs and a message pops up on HP Scan Pro SW "Error (Sorry, scanner could not be initialized. An error has occurred communicating with the scanner.)" I reinstalled the HP SW and re-added the printer - no change.
Printing is fine - and scanning is fine when I go back to my old router. This looks like a router firmware issue, I'm probably going to have to return the router - bummer - anybody have this issue or can help? Apple's Routers shouldn't be doing this.

I have exact same issue. HP3210xi printer was working fine connected via Ethernet cable to my Airport Extreme Base Station. After a AEBS firmware upgrade, I could no longer scan. HP said its a hardware problem and buy another printer (HP of course). That was incorrect. When I connect the scanner directly via USB to my iMac (Leopard), it scans just fine.
What I have come to find out after much research, talking with Apple Care, HP, and researching forums, it seems the firmware update closed some ports on the AEBS for security reasons, that were previously allowing the scanner to work in this configuration.
I have since given up and bought another printer (wireless ready HP). I am about to try to set it up, but am told that I will have to downgrade my wireless security from WPA2 to WEP. I'm going to give it a try before downgrading -- we shall see.
Apple is of no help. They don't support ANY printers.

AirPort Extreme (802.11n) dual band is reporting problems?

Hi.
I can not find an answer for my error-problem:
AirPort Extreme (802.11n) dual band is reporting problems!
I have an optimum on line cable modem connected to my AirPort Extreme (802.11n) dual band.
Ethernet cables connect it 1. into my new Nehalem Mac Pro, 2. into my back-up Quicksilver PowerMac. I also have 2nd gen. iPod touch works on WiFi.
This set-up has been working well but now I daily get the above error. Sometimes it says also: You have different locations set-up and it asks me to go through the set-up procedure. May be I did the initial set-up incorrect. I don't quite understand "locations" and it's purpose.
Also the Airport runs very hot so I put a small fan in front of it. A few times I had to disconnect the cable mains to reset and get back my service. Please help.
W.W.

Walter Wedler wrote:
AirPort Extreme (802.11n) dual band is reporting problems!
I have an optimum on line cable modem connected to my AirPort Extreme (802.11n) dual band.
Ethernet cables connect it 1. into my new Nehalem Mac Pro, 2. into my back-up Quicksilver PowerMac. I also have 2nd gen. iPod touch works on WiFi.
This set-up has been working well but now I daily get the above error. Sometimes it says also: You have different locations set-up and it asks me to go through the set-up procedure. May be I did the initial set-up incorrect. I don't quite understand "locations" and it's purpose.
Can you tell what's telling you about those locations? An Apple AirPort unit can maintain different "configurations" so that it could be used in different locations without a complete reconfiguration. However, I don't believe they're ever referred to as "locations". On the other hand, a Mac can have multiple "locations" defined in the Network panel of System Preferences. Those can be useful if the Mac is used in different places with different arrangements.
If your AirPort Extreme is having problems the status light on the front will probably be amber. If you launch AirPort Utility and double-click on the AirPort Extreme item on the left, you should be able to see more details about the problem.

Airport Extreme 802.11n dual band SNMP missing physical interfaces

Hi, I'm trying to monitor my new AEBS with snmpwalk on an old MacMini running Debian. I downloaded the mib from Apple and placed it in /usr/share/snmp/mibs. Then I run snmpwalk to see what I could get (I obviously removed the MAC addresses):
brian@minimac:~$ snmpwalk -v 2c -c public -m+AIRPORT-BASESTATION-3-MIB 192.168.1.1 1.3.6.1.4.1.63.501
AIRPORT-BASESTATION-3-MIB::sysConfName.0 = STRING: club3313
AIRPORT-BASESTATION-3-MIB::sysConfContact.0 = STRING: Brian Mauter
AIRPORT-BASESTATION-3-MIB::sysConfLocation.0 = STRING:
AIRPORT-BASESTATION-3-MIB::sysConfUptime.0 = INTEGER: 1803154
AIRPORT-BASESTATION-3-MIB::sysConfFirmwareVersion.0 = STRING: 7.5.1
AIRPORT-BASESTATION-3-MIB::wirelessNumber.0 = INTEGER: 3
AIRPORT-BASESTATION-3-MIB::wirelessPhysAddress."(mac addr #1 hidden)" = STRING: "(mac addr #1 hidden)"
AIRPORT-BASESTATION-3-MIB::wirelessPhysAddress."(mac addr #2 hidden)" = STRING: "(mac addr #2 hidden)"
AIRPORT-BASESTATION-3-MIB::wirelessPhysAddress."(mac addr #3 hidden)" = STRING: "(mac addr #3 hidden)"
AIRPORT-BASESTATION-3-MIB::wirelessType."(mac addr #1 hidden)" = INTEGER: sta(1)
AIRPORT-BASESTATION-3-MIB::wirelessType."(mac addr #2 hidden)" = INTEGER: sta(1)
AIRPORT-BASESTATION-3-MIB::wirelessType."(mac addr #3 hidden)" = INTEGER: sta(1)
AIRPORT-BASESTATION-3-MIB::wirelessDataRates."(mac addr #1 hidden)" = STRING: 1(b) 2(b) 5(b) 6 9 11(b) 12 18 24 36 48 54
AIRPORT-BASESTATION-3-MIB::wirelessDataRates."(mac addr #2 hidden)" = STRING: 1(b) 2(b) 5(b) 6 9 11(b) 12 18 24 36 48 54 MCS: 0-15,43
AIRPORT-BASESTATION-3-MIB::wirelessDataRates."(mac addr #3 hidden)" = STRING: 1(b) 2(b) 5(b) 6 9 11(b) 12 18 24 36 48 54 MCS: 0-15,72
AIRPORT-BASESTATION-3-MIB::wirelessTimeAssociated."(mac addr #1 hidden)" = INTEGER: 1802714
AIRPORT-BASESTATION-3-MIB::wirelessTimeAssociated."(mac addr #2 hidden)" = INTEGER: 1802606
AIRPORT-BASESTATION-3-MIB::wirelessTimeAssociated."(mac addr #3 hidden)" = INTEGER: 1759013
AIRPORT-BASESTATION-3-MIB::wirelessLastRefreshTime."(mac addr #1 hidden)" = INTEGER: 0
AIRPORT-BASESTATION-3-MIB::wirelessLastRefreshTime."(mac addr #2 hidden)" = INTEGER: 0
AIRPORT-BASESTATION-3-MIB::wirelessLastRefreshTime."(mac addr #3 hidden)" = INTEGER: 0
AIRPORT-BASESTATION-3-MIB::wirelessStrength."(mac addr #1 hidden)" = INTEGER: -83
AIRPORT-BASESTATION-3-MIB::wirelessStrength."(mac addr #2 hidden)" = INTEGER: -70
AIRPORT-BASESTATION-3-MIB::wirelessStrength."(mac addr #3 hidden)" = INTEGER: -76
AIRPORT-BASESTATION-3-MIB::wirelessNoise."(mac addr #1 hidden)" = INTEGER: -76
AIRPORT-BASESTATION-3-MIB::wirelessNoise."(mac addr #2 hidden)" = INTEGER: -96
AIRPORT-BASESTATION-3-MIB::wirelessNoise."(mac addr #3 hidden)" = INTEGER: -103
AIRPORT-BASESTATION-3-MIB::wirelessRate."(mac addr #1 hidden)" = INTEGER: 11
AIRPORT-BASESTATION-3-MIB::wirelessRate."(mac addr #2 hidden)" = INTEGER: 39
AIRPORT-BASESTATION-3-MIB::wirelessRate."(mac addr #3 hidden)" = INTEGER: 72
AIRPORT-BASESTATION-3-MIB::wirelessNumRX."(mac addr #1 hidden)" = INTEGER: -1
AIRPORT-BASESTATION-3-MIB::wirelessNumRX."(mac addr #2 hidden)" = INTEGER: 1035089
AIRPORT-BASESTATION-3-MIB::wirelessNumRX."(mac addr #3 hidden)" = INTEGER: -1
AIRPORT-BASESTATION-3-MIB::wirelessNumTX."(mac addr #1 hidden)" = INTEGER: -1
AIRPORT-BASESTATION-3-MIB::wirelessNumTX."(mac addr #2 hidden)" = INTEGER: 891819
AIRPORT-BASESTATION-3-MIB::wirelessNumTX."(mac addr #3 hidden)" = INTEGER: -1
AIRPORT-BASESTATION-3-MIB::wirelessNumRXErrors."(mac addr #1 hidden)" = INTEGER: -1
AIRPORT-BASESTATION-3-MIB::wirelessNumRXErrors."(mac addr #2 hidden)" = INTEGER: 102
AIRPORT-BASESTATION-3-MIB::wirelessNumRXErrors."(mac addr #3 hidden)" = INTEGER: -1
AIRPORT-BASESTATION-3-MIB::wirelessNumTXErrors."(mac addr #1 hidden)" = INTEGER: -1
AIRPORT-BASESTATION-3-MIB::wirelessNumTXErrors."(mac addr #2 hidden)" = INTEGER: 97
AIRPORT-BASESTATION-3-MIB::wirelessNumTXErrors."(mac addr #3 hidden)" = INTEGER: -1
AIRPORT-BASESTATION-3-MIB::dhcpNumber.0 = INTEGER: 4
AIRPORT-BASESTATION-3-MIB::dhcpPhysAddress."(mac addr #1 hidden)" = STRING: "(mac addr #1 hidden)"
AIRPORT-BASESTATION-3-MIB::dhcpPhysAddress."(mac addr #4 hidden)" = STRING: "(mac addr #4 hidden)"
AIRPORT-BASESTATION-3-MIB::dhcpPhysAddress."(mac addr #2 hidden)" = STRING: "(mac addr #2 hidden)"
AIRPORT-BASESTATION-3-MIB::dhcpPhysAddress."(mac addr #3 hidden)" = STRING: "(mac addr #3 hidden)"
AIRPORT-BASESTATION-3-MIB::dhcpIpAddress."(mac addr #1 hidden)" = IpAddress: 192.168.1.136
AIRPORT-BASESTATION-3-MIB::dhcpIpAddress."(mac addr #4 hidden)" = IpAddress: 192.168.1.100
AIRPORT-BASESTATION-3-MIB::dhcpIpAddress."(mac addr #2 hidden)" = IpAddress: 192.168.1.101
AIRPORT-BASESTATION-3-MIB::dhcpIpAddress."(mac addr #3 hidden)" = IpAddress: 192.168.1.146
AIRPORT-BASESTATION-3-MIB::dhcpClientID."(mac addr #1 hidden)" = ""
AIRPORT-BASESTATION-3-MIB::dhcpClientID."(mac addr #4 hidden)" = ""
AIRPORT-BASESTATION-3-MIB::dhcpClientID."(mac addr #2 hidden)" = ""
AIRPORT-BASESTATION-3-MIB::dhcpClientID."(mac addr #3 hidden)" = ""
AIRPORT-BASESTATION-3-MIB::dhcpLeaseTime."(mac addr #1 hidden)" = INTEGER: 77377
AIRPORT-BASESTATION-3-MIB::dhcpLeaseTime."(mac addr #4 hidden)" = INTEGER: 50308
AIRPORT-BASESTATION-3-MIB::dhcpLeaseTime."(mac addr #2 hidden)" = INTEGER: 85852
AIRPORT-BASESTATION-3-MIB::dhcpLeaseTime."(mac addr #3 hidden)" = INTEGER: 86278
Where is the physicalInterfaces stuff? I have two things plugged in on the LAN ports, a NetGear GS108 switch and the mac mini (statically assigned IP) so I think I should see them via SNMP much like it's mentioned here:
http://people.no-distance.net/ol/olog/2005/03/airport-extreme-express-and-snmp.h tml
What am I doing wrong?
Thanks,
-Brian

Walter Wedler wrote:
AirPort Extreme (802.11n) dual band is reporting problems!
I have an optimum on line cable modem connected to my AirPort Extreme (802.11n) dual band.
Ethernet cables connect it 1. into my new Nehalem Mac Pro, 2. into my back-up Quicksilver PowerMac. I also have 2nd gen. iPod touch works on WiFi.
This set-up has been working well but now I daily get the above error. Sometimes it says also: You have different locations set-up and it asks me to go through the set-up procedure. May be I did the initial set-up incorrect. I don't quite understand "locations" and it's purpose.
Can you tell what's telling you about those locations? An Apple AirPort unit can maintain different "configurations" so that it could be used in different locations without a complete reconfiguration. However, I don't believe they're ever referred to as "locations". On the other hand, a Mac can have multiple "locations" defined in the Network panel of System Preferences. Those can be useful if the Mac is used in different places with different arrangements.
If your AirPort Extreme is having problems the status light on the front will probably be amber. If you launch AirPort Utility and double-click on the AirPort Extreme item on the left, you should be able to see more details about the problem.

AirPort Extreme 802.11n (2nd Gen) no Guest Network capability?

I have an "AirPort Extreme 802.11n (2nd Gen)" according to a serial number lookup here.
I am not sure if this is the same as MB053LL/A which is mentioned is this archived thread. (Couldn't find a way to lookup the part number + couldn't find the tech specs at apple.com.)
I was wondering if this base station has the capability to setup a guest network in addition to the primary network.
According to the above mentioned Apple Discussions thread, the base station needs to have simultaneous dual band operation capability to make this possible. (Since I couldn't find the tech specs, I'm not sure what this base station has.)
I would assume from this Knowledge Base Article that the 2nd generation AirPort Extreme is one generation too old:
http://support.apple.com/kb/HT3477
Am I correct?
(It's set to "Share a public IP address" under Connection Sharing.)

Hi, flips01. You are correct. Simultaneous dual-band was introduced with the 3rd generation.

WDS networking issue - Airport Extreme (802.11n) and remote Airport Express

*Background Info:*
Airport Extreme 802.11n (Fast Ethernet)
Version: 7.2.1
Wireless Mode: Participate in a WDS network (set as main)
Network Name: @Home
Wireless Security: WPA/WPA2 Personal
Channel: 1
Airport Express
Version: 6.3
Wireless Mode: Participate in a WDS network (set as remote)
Network Name: @Home
Wireless Security: WPA/WPA2 Personal
Channel: 1
Radio Mode: 802.11b/g compatible
Connect Using: AirPort (WDS)
Connection Sharing: Off (Bridge Mode)
Issue
Please help as I'm having issues with my WDS network. I've setup using both the wizard and manual and also hard reset on both units to setup again but cannot get them both to communicate to one another. Both units are showing green LED under their configuration. For my last attempt, I've tried adding the Airport ID (MAC) of the Airport Express to the Access Control and also DHCP Reservations on the Airport Extreme but still no luck.
The Airport Express (setup as remote) does not even show up in the Airport Extreme's Summary as Wireless Clients. In the WDS tab, the Airport Extreme is set up as WDS main, Allow wireless clients box checked and WDS Remotes has the Airport Express' AirPort ID in the list. On the Airport Express, WDS is set up as remote, with Allow wireless client box checked and the Airport ID of the Airport Express in the WDS Main.
I can connect clients to both units. Both units are configured using the same Network Name and have the same WPA/WPA2 security key. The Airport Extreme (main) however is connected to my broadband so any devices or clients connected to it are able to get outside. Connected devices or clients are assigned IP address via DHCP with IP 10.0.x.x. If wifi devices or clients connect to the Airport Express (remote) they are assigned a completely different IP addresses 169.254.x.x, they are not able to browse the internet or talk to other clients connected on the 10.0.1.x network. The Internet Connection configuration on the Airport Express (remote) is Connect Using Airport (WDS) and Using DHCP. I've even tried manually and entered the IP address 10.0.1.199 that I had assigned to the Airport Express from the Airport Extreme and Router Address as IP of Airport Extreme (10.0.1.1).
I think I've tried everything but I'm still having this problem. The remote Airport Express is not extending my existing Airport Extreme network. Any ideas???

Christopher,
This may or may not be helpful, or it may be something you've already tried or are aware of so I apologize if that's the case.
I have been researching ways to set up the Dual Band Network supported by the AEBS and came across your post. I've got an AEBS and (2) AirPort Express set-up currently (AEBS is main and the Express are participating in the WDS as remotes) and I'm trying to configure one of the Express to utilize a 802.11b/g compatible network while the AEBS runs a 5Ghz 802.11n Only network.
AAR, since the AirPort Express are 2.4Ghz 802.11b/g ONLY (no support for 802.11n), you have to be sure to set-up your AEBS first and select "802.11n (802.11b/g compatible)" in the Radio Mode drop-down on the AEBS before you attempt to connect an AirPort Express. The AEBS should be set-up as your "WDS main" and the Express should be set-up as a "WDS remote" for the network you established when you set-up the AEBS.
Bottom line here is the Express won't be seen by the AEBS unless the AEBS is 'looking' in the 802.11b/g 2.4Ghz frequency.
Hope this was helpful.

AirPort Extreme 802.11n as a wireless router and local network switch?

Good afternoon,
I'm curious if its possible to have the APE in wireless network mode and connect systems via hard line as well?
I have an AirPort Extreme 802.11n set to "Create a Wireless Network" mode that is attached directly to a cable modem for internet connectevity. My issue is that while all wireless devices (several iPods, two iPhones and three laptop computers) connect to the APE without issue (and have internet access), when I try to plug in a Windows 7 desktop computer via one of the ethernet jacks, Windows is unable to connect and shows the network as "unidentified," spitting back a private IP address as opposed to a local LAN (this behavior repeats for an Ubuntu Linux box as well).
Not sure if the APE is misconfigured, this is a Windows 7 issue or if its improper use on my part (though this also precludes me from connecting a gigabit switch to the APE).
Thank you,
Nathan

Properly configured, the AirPort should provide both wired and wireless network client with Internet access.
At this point, I would recommend that you do the following as a minimum:
Power-down the modem, AirPort base station, and computer(s).
Power-up the modem; wait at least 10-15 minutes to allow it adequate time to initialize.
Power-up the AirPort base station; wait at least 5-10 minutes. Note: The AirPort's status light may continue to flash amber after it has intialized. That is because, there may be some additional configuration items necessary, like setting up wireless security, before the overall setup is completed to get a green status.
Power-up your computer(s).
If the above steps do not solve the problem, start over with step 1 above, but then perform the next steps between steps 1 & 2. above.
Disconnect the AirPort base station from the Internet broadband modem.
While all of the devices are powered-down, perform a "factory default" reset on the base station. This will get it back to its "out-of-the-box" configuration and make setting it up much easier, especially if you use the "Assist me" process within the AirPort Utility. (ref: Resetting an AirPort Base Station or Time Capsule)
After the base station resets, go ahead and power it back down.
Reconnect the AirPort base station to the Internet broadband modem. For the Extreme and Time Capsule, be sure to connect the cable to the base station's WAN (circle-of-dots) port.
Continue with step 2 in the first set of steps.
In this basic configuration, the AirPort base station will broadcast an unsecured wireless network with a Network Name (SSID) of Apple Network NNNNNN. Network clients, connected to the base station either by wire or wireless, should now be able to access the Internet through the ISP's modem. Once Internet connectivity has been verified, you can use the AirPort Utility to configure the base station for wireless security and any other desired options. Please post back your results.

Airport Extreme 802.11n network attached storage?

I would like some more information about "sharing drives" via the new Airport Extreme 802.11n.
There is little to no information in the apple tech specs about how the Airport Extreme actually shares files. Is it a standard NAS device using SMB or does it use its own priority format similar to the NDAS or SANS devices? These require a driver installed on each computer so they can access the shared drive.
Im really interested in upgrading to this device but i have to make sure that it will play happily with my other toys...
iBook G4 Mac OS X (10.4.8)

Yes they are been sold, but won't ship until February.
The technical specifications currently available do not have the information you want.
It would appear that some kind of utility has to be installed as the tech page indicates that the install CD includes an AirPort Disk Utility for Mac and Windows
All it does say can be found on this page.
http://www.apple.com/airportextreme/sharing.html
http://www.apple.com/airportextreme/specs.html

AirPort Extreme (802.11n) - Which draft version of 802.11n does it use?

When the new AirPort Extreme 802.11n was announced, Apple didn't specifically state which version of the 802.11n draft it was using.
At the time of the announcement, version 2 of the 802.11n draft had not been submitted yet for approval.
So my question is what version of the Draft-N spec is it using?
1.0?
2.0?

As I understand it, the big change was going from a single 40 MHz channel to dual 20 MHz channels because some b/g base stations would get confused by 40 MHz channels, causing problems on their networks.
Here's a link to a Computerworld column about the new draft, which pretty much confirms that it's only a firmware update:
http://www.computerworld.com/action/article.do?command=viewArticleBasic&articleI d=9008825

Setting up Time Capsule with existing AirPort Extreme 802.11n and AirPort Express.

I already have and am using an AirPort Extreme 802.11n with an AirPort Express. I want to set up a Time Capsule 802.11n. Which is the best way to configure this?

... Which is the best way to configure this?
The answer depends on what you need the TC to accomplish. If all you need it to do is perform Time Machine backups, simply have it join your existing network in client mode. It would be if it were to connect to your existing router (presumably your Extreme), not through an "extended" wireless network (presumably your Express).
If you need the TC to "extend" your network so as to serve additional wireless clients, you can do that also. Configure it to "extend" the network created by your Extreme.
As you can see it's quite versatile.

I have a pc running windows 7. I got an Airport Extreme 802.11n Wi-Fi and the printer is now plugged into the Airport. The wireless router works fine but the printer shows as offline in control panel and in word. The printer is a HP LaserJet CP1525nw.

I have a pc running windows 7. I got an Airport Extreme 802.11n Wi-Fi and the printer is now plugged into the Airport. The Airport works fine but the printer shows as offline in control panel and in word. The printer is a HP LaserJet CP1525nw.

+For now I have it set to Share Public IP address - Is this correct for my Network Setup with The Airport Extreme being the only router being used ?+
This would be the correct setting if the AirPort Extreme is connected to a simple modem (one ethernet port).
*Settings I have Enabled*
5 GHz name indicates that you have elected to use the option to assign a separate name to the 5 GHz network. This will allow you to "tell" compatible computers to connect to that network, rather than the slower 2.4 GHz network
Use Wide Channels is recommended for 5 GHz operation.
Interference Robustness often does more harm than good and should not be used unless you know you are in a area with a lot of wireless networks and you feel that your network is experiencing interference issues from a nearby network.

Connecting AirPort Express to AirPort Extreme 802.11n

The following steps helped me set up an AirPort Express base station connected to a set of wireless speakers with my new AirPort Extreme 802.11n base station. I’m posting this because the process was not entirely intuitive, at least not to me.
I’ll assume you have set up the AP Extreme base station to connect to the internet and run your home network and that you are connected to your wireless network.
Make sure you set-up the AP Extreme base station to broadcast in 802.11n + 802.11b/g modes, i.e. both at once. You will also have to check he setting that allows the newtork to be extended.
Reset the AP Express base station so that in runs on the factory defaults by pressing the reset button with a paper clip. Wait for it to completely restart.
Launch the AirPort Utility. You should see both your AP Extreme and AP Express base stations in the left hand column. Click on the AP Express base station you just reset. When it asks to switch wireless networks do so. Then hit continue.
On the next screen select “Connect to my current wireless network” option and hit continue.
On the following screen select the “Extend the range of my AirPort Extreme or AirPort Express network” and hit continue. Do NOT select the “Join my wireless network” option even though it says this is how you connect to wireless speakers. This is the part that was not obvious to me. When I tried this the AirPort Express base station flashed orange and wouldn’t connect despite waiting 30 minutes.
Chose the network you wish to extend from the drop down menu. My keychain supplied the password for the network.
Give your base station a name and hit continue.
Select the main base station in the list provided. This is the one connected to the internet and hit ok.
The Airport Utility software will configure the network to accept the AirPort Express base station.
Now all that’s left is to connect your wireless speakers to the AirPort Exppress base station. You can now play music through AirTunes while being connected to your fast 802.11n network.

I recently setup an Airport Express in conjuction with my Extreme Base Station. I'm not really understanding how this method enables 802.11n connection speeds (via Base Station) to the internet and also allow streaming music through the Express at 802.11b/g. It's my understanding that if you want to be able to access the internet AND stream music at the same time the Express needs to join the network. In order for the Express to join the network (able to recognize the Base Station)...the Base station needs to be changed from 802.11n only to 802.11n (802.11b/g compatable)....which essentially means your connecting to the internet at 802.11b/g. If your wanting to keep 802.11n only on the base station...you would have to create a seperate network via the Express to stream music. What this means is you CANNOT access the internet and stream music at the same time. You would have to manually change Airport in the taskbar to do one or the other.
Am I off base here? If I am missing something please let me know...because it would be great to be able to connect to the internet at 802.11n only with a multi-case rate set to 23Mbps vs. the 11Mbps (maximum) of the 802.11b/g compatable option.
I guess what is confusing me is that my setup is basically the same as what was described above..minus having the "Extended Network" being enabled. How does extending the network change things?

To extend AirPort Extreme 802.11n

Wanting to extend the range of my AirPort Extreme 802.11n (version 7.4.2)
I have a Airport Express as trial also a 802.11n. AirPort Utility has a lot of trouble finding the Express. When AirPort Utility does find it and I want to set up the Express I have to switch from the Extreme to the Express. Unfortunate side-effect is that AirPort Utility then looses track of the Extreme and I can't "join" the Express as Utility can't find anything to join.
As I have the Express on trial of a friend I did the normal reset (button for 10 sec) and even the factory reset (unplug, press reset button while plugging in) however I did notice it still had his settings. Changed those but as I said before it seems for AirPort Utility is is either or instead of both.

Based on your description, it sounds like the AXn is configured to join the wireless network created by the AEBSn ... not extend it.
The following would be the basic setup steps for extending a wireless network:
o If practical, place the base stations in near proximity to each other during the setup phase. Once done, move them to their desired locations.
o Open AirPort Utility and select the base station that will connect to the Internet.
o Choose Manual Setup from the Base Station menu, or double-click the base station to open the configuration in a separate window. Enter the base station password if necessary.
o Click AirPort in the toolbar, and then click Wireless.
o Choose “Create a wireless network” from the Wireless Mode pop-up menu, and then select the “Allow this network to be extended” checkbox.
o Next, select the base station that will extend this network, and choose Manual Setup from the Base Station menu, or double-click the base station to open its configuration in a separate window. Enter the base station password if necessary.
o Choose “Extend a wireless network” from the Wireless Mode pop-up menu, and then choose the network you want to extend from the Network Name pop-up menu.
o Enter the base station network and base station password is necessary.
o Click Update to update the base station with new network settings.
(ref: Page 46 of "Designing AirPort Networks Using AirPort Utility.)

I hope this might interest someone. The situation; 3 floors,I am having trouble with an an Airport Extreme, 802.11n on the top floor and a Mac Pro 3.1 on the bottom floor. Not always but often it has trouble seeing the Airport and making a connection. I h

I'm not sure how to post a message. I hope this might interest someone. The situation; 3 floors,I am having trouble with an an Airport Extreme, 802.11n on the top floor and a Mac Pro 3.1 on the bottom floor. Not always but often it has trouble seeing the Airport and making a connection. I have an older Airport Express, would it help to install it? would it work best if it was installed in the same room? should it be installed half way in between? Get another Extreme? The Mac Book Pro on the middle floor can see 11 networks in the neighbourhood if that might be causing a problem or would if I installed the Express. Thank for your consideration.

Thanks for your time ... I appologize for the font and colour, I compossed the question in pages and failed to notice the font colour as grey ... there are a variety of computers of various ages so I think it is using a setting that allows both 5G and 2.4 ... the connection to the Airport is thru a cable modem and cable does run throuhout the house ... maybe those hard wires would be a place to look at ... do you think that putting the 'Express' on the second floor might help ... thanks again ...

USING TWO AIRPORT EXTREMES (802.11N) INTERNET IS VERY SLOW

I live in a 5000sq ranch in arizona and have our internet set up in one end of the house. We have an airport extreme 802.11n and it wasnt putting out a good signal to the other end of the house so we got another airport extreme and airport express to expand out network. By the way both are 802.11n and the internet is still not even usable because it is so slow. The only computer that has some sort of speed is the mac tower that is hardwired to the airport. PLEASE HELP!!!!!!!!!!!!!!!!

If you could ethernet the two Extreme N routers(try to place the second further into the house) and set the second in bridge mode and set to create its own wireless networrk. Use the manual configuration. The third can join the second, signal should reach and be strong. This must be in bridge mode also.
there are many different ways to set the configuration for wireless but the bridge mode is a must do.

Airport Extreme (802.11n dual) breaks network HP photosmart 3210 scanning

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