Can't Reconnect AirPort Express to my Network

Hello all,
So I have somewhat of a problem here, and I'm hoping to get some input. Basically, my house is 3 stories. In the basement, we have a room with all of our networking hardware (our modem with an AirPort Extreme router). On the 2nd floor of the house, there's an AirPort Express in the kitchen. On the 3rd floor, there was an AirPort Express in my parent's room, which I just recently unplugged to move to my room (I needed an extra ethernet port source ). Anyways, in AirPort utilities, I had everything set up perfectly fine. Both AirPort Expresses were set to "Extend Network," which is how we wanted it. Now, for some reason, the AirPort Express in the kitchen got the error message "AirPort Express was previously part of your network." So, I clicked "Forget" and was just going to set it up again by selecting it from the drop-down menu and going from there. The only thing is, it's not there... I don't know how moving the Express on the 3rd floor led to this, but it did. Any ideas on how to get it back? There's all green lights across the board (AirPort Extreme in the basement, AirPort Express in the kitchen, AirPort Express in my room). The connection in the kitchen is a bit iffy, but in all other spots across the house it's 100% fine.
Thank you!

Welcome to the discussions!
Many schools prohibit the creation of wireless networks, so you might want to check on this before you try it.
You may want to temporarily connect an ethernet cable from your computer to the AirPort Express for the configuration. After the configuration is done, connect the ethernet cable to the wall jack and the AirPort Express.
Configure your AirPort Express (AX) as follows:
Open AirPort Utility, click Manual Setup
Click the Wireless tab below the row of icons to setup your wireless network. You want to "Create a wireless network" and enter your network name, security and password.
Then click the Internet icon
Look for the Connection Sharing setting at the bottom of the page and set this to "Off (Bridge Mode)"
Update to save changes and the AX will restart

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Many schools prohibit the creation of wireless networks, so you might want to check on this before you try it.
You may want to temporarily connect an ethernet cable from your computer to the AirPort Express for the configuration. After the configuration is done, connect the ethernet cable to the wall jack and the AirPort Express.
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Then click the Internet icon
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I wanted to extend my 2Wire-based wireless network into a specific room that never seems to be able to pick up the signal, and found the following instructions on how to do so on Apple's website:
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Update:
I restarted the laptop I used to set up the AX as well as pushing the "reset" button on the AX (first time - pressed it for 1 second, Second Time - pressed and held for 15 seconds then let go). The Utility still isn't recognizing the base station.
I also upgraded the Utility's software to 5.5.3 right before I went through these steps, and now it's not recognizing the base station. ARGH.
Update #2: I plugged the AX into my laptop with an ethernet cable and the utility STILL can't detect it. This is ridiculous.
Update #3: Not 30 seconds after update #2, it FOUND the **** AX >.< I'm updating the firmware, but I still can't get it to work as a repeater station if I have to plug it into my laptop all the time JUST to get the Utility to recognize that yes, Virginia, there IS an Airport Extreme.
Message was edited by: bleedingrose19

Can u run Airport Express and a wireless modem together?

Can u run Airport Express and a wireless modem together at the same time?
I'm using AE purely for music distribution and have just bought a wireless modem for the internet (not a AE). However I can now only select either the AE network, OR the wireless internet network (it's BT HomeHub). Hence I can either play music or use the internet, but not together!
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Thanx
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You should configure your AirPort Express (AX) to join the wireless network provided by the modem. The instructions are in KB 302153, AirPort Express: How to join an existing wireless network in client mode.

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Can't Reconnect AirPort Express to my Network

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