Time Capsule & Airport Express Network Security

I am using my Time Capsule to set up my home wireless network and have extended the network using an Airport Express. Does WPA have to be set on both units (as I have done) or just the Time Capsule for the network to be secure? Since setting up WPA my iPod Touch has had more difficulty connecting and network range seems to have shrunk!

Yes since the AirPort Express (AX) is extending the network it must have the same wireless encryption enabled as the Time Capsule.

Similar Messages

Hi I've recenty purchased a new imac time capsule airport express. I've set up a new network, rather than extended the current one. How do I change my new network to an extended one or create an extended network?

Hi I've recenty purchased a new imac + time capsule + airport express.
I've set up a new network, rather than extended the current one. How do I change my new network to an extended one or create an extended network?
Michael

detailed in terms of what focus?
here is a video guide about using the airport utility
http://www.youtube.com/watch?v=65Jv6m43eIE

Best configuration to extend wifi with Time Capsule & Airport Express

In my house I have a Fritzbox wifi router on the ground floor as my primary internet access. I have an ethernet cable going to the 3rd floor study where the Fritzbox signal is relatively weak. I purchased a Time Capsule as a backup device, but also wanted to extend the Fritzbox wifi network by plugging the ethernet cable in to the TC. I was not successful in extending the network, so I had to create a new network. When moving from downstairs to upstairs, my iphone keeps the connection to the (now weak) wifi network and I have to manually change to the (stronger) TC wifi network.
Additionally, I used to be able to successfully extend the downstairs wifi using my Airport Express (and also managed to have my speakers plugged into this for wireless usage), but do not want to additionally complicate my set-up.
So, what is the best way to connect the following equipment, ideally with the same network name, to ensure I always use the strongrst signal automatically:
Third floor:          iMac,    Macbook,   Time Capsule, Airport Express
          Ethernet cable from ground floor to 3rd floor
Ground floor:     Fritzbox wifi connected to internet

You must configure the Bridge Mode setting as the very last step before you Update the settings, otherwise the setting will change automatically.
In other words, you can change the setting to Bridge Mode, but if you make any other changes before you click Update, the Bridge Mode setting will not take effect.
Or, if you see any error messages about DHCP conflicts or Double NAT....the AirPort is not in Bridge Mode...even though you might think it is. Check the settings again.
will I still be able to set up an additional 5GHz network in parallel?
Yes

Time Capsule-AirPort Express-WDS not working together

According to everything I've read here, I've configured this properly, but it doesn't seem to be working. If anyone can help me troubleshoot this I would greatly appreciate it.
I have a new Time Capsule acting as my main wireless base station; it has a manually-configured static IP address, is plugged into my Verizon FIOS router, and is set to distribute IP addresses over wireless using DHCP. I have it set to run a 5 GHz network in addition to the regular 2.4 GHz network. I have an older AirPort Express that I want to use to extend the range of the 2.4 GHz network (the Express can only do 802.11b/g, not 802.11n), in part because we have some older devices in the house that I don't want to slow down the 802.11n network, and in part because the 802.11b/g signal doesn't reach all parts of the house very strongly. So I told the Time Capsule to make its network extendable, told the AirPort Express to participate in a WDS network as a WDS relay, and entered the MAC address of the Time Capsule's 2.4GHz network as the WDS main. Result: flashing amber light on the AirPort Express, which no longer shows up in the AirPort Utility; I had to do a hard reset in order to get the Express back (and then it had to be reconfigured again, of course). At the moment I have it just joining my wireless network, and that works -- green light -- but of course doesn't allow the Express to extend the range of the wireless network.
What am I doing wrong here?

Before there was dual band, we always told users that if they used WDS, the entire network would revert to "g", even if the Time Capsule, AirPort Express, etc were capable of "n" performance.
Your findings seem to confirm that this happens with a dual band as well.
I think it's well worth it to get the AirPort Express 802.11n. Then you can reconfigure the Time Capsule back to "Create a wireless network" and check the box to "Allow this network to be extended"
The Express"n" would then be configured to "Extend a wireless network". I use this setup and would highly recommend it. There may be a slight bandwidth loss due to overhead, but the performance is light years ahead of WDS.
If you are using the same network name for both bands on the Time Capsule, then I believe by default the Express will extend the 2.4 GHz "n", "g" and "b" band. This makes sense for most users since 5 GHz signals do not travel well over distance or penetrate obstructions well.
IF...you want to extend the 5 GHz band, the only way that I know how to do this is click Wireless Network Options on the wireless setup page for the Time Capsule and enable the option to assign a different name for the 5 GHz network.
Then you will have to configure the Express to extend this specific 5 GHz network. I never had much luck extending 5 GHz, and I wanted my iPhone to be able to use the network across the house, so I went with the simpler one network name for both bands and extended the 2.4 GHz network.
If you have a "g" device joining the extended network, it may tend to slow the "n" devices down slightly...when the "g" device is active, but it won't drag everything down to "g" levels. When the "g" device is not active, "n" devices will run at "n" speeds.
BTW, the ethernet port on the AirPort Express is active when you configure it to "extend a wireless network". This can come in handy for hooking up DVD players, etc that need an internet connection for firmware updates and extra features.
Follow up....I tried a very quick reconfiguration of my dual band AirPort Extreme (same router that the Time Capsule users) and AirPort Express using the WDS arrangement and everything did indeed drop way down in speed and performance.
Post back if you have questions. Happy to help.
Message was edited by: Bob Timmons

Extending airport wi-fi network (time capsule airport express)

I have a time capsule linked to my BT cable modem and i have created an apple wi-fi network that I use for my Mac mini and a laptop.
However the wi-fi network doesn't reach the other end of the house, and I am thinking about extending the wi-fi network by adding an airport express.
I have looked at the documents online, but I am not sure of a few things.
Do you need to wire the airport express to your time capsule or another cable modem? (that seems to loose the purpose of wi-fi) as per a document on apple airport networks (p41)? is the only solution a Roaming set-up?
Can t you just plug it in a electricity socket the airport express and add it to your wi-fi network via your network software in system preferences?
thanks for the help

Welcome to the discussions, stephanm8!
The AirPort Express(n) can be configured to "extend" the main wireless network created by the Time Capsule. Here's how to do it.
_On the Time Capsule:_
Open AirPort Utility, click Manual Setup
Click the Wireless tab below the row of icons
Wireless Mode would be set to "Create a wireless network"
Make sure there is a check mark next to "Allow this network to be extended"
Update to save settings
_On the Express:_
Open AirPort Utility, click Manual Setup
Click the Wireless tab
Wireless Mode would be set to "Extend a wireless network". If you don't see this choice, hold down the "option or alt" key on your computer when you click on the selection box. When you select this choice, you should see the network created by the Extreme to "extend".
Enter the wireless password if requested
Make sure there is a check mark next to "Allow wireless clients"
Update to save settings
If you have a dual band Time Capsule the main network can be extended. The guest network cannot be extended.
Once you have the Express configured to "Extend", position it at a point that is approximately 2/3 to 3/4 of the distance between the Time Capsule and the area that you want the Express to cover. You may need to adjust the location of the Express from this general starting position depending on signal strength.

Time Capsule - Airport Express

Hi - This is not a problem yet!! Just looking for advice or a cautionary tale of what may go wrong
Basically, have iMac Time Capsule acts as wireless device, I have it connected to iMac and ASDL modem via ethernet cable(s) everything works well connect to various laptops/ipod touch wirelessly. Considering purchase of airport express that i could connect to my stereo system (downstairs) and 'stream' my iTunes -Is this going to cause me any problems? I did visit my local Apple outlet armed with a host of questions but unfortunately I seemed to know more than the young lad I spoke with!!
Any advice help or asistance would be appreciated!

The only issue I can think of at this point is the strength of the Time Capsule's wireless network as it will be "seen" by the AirPort Express that you are trying to join with it. If the signal strength is poor, then you may experience audio dropouts when attempting to stream to it. The primary reason for poor signal performance is Wi-Fi interference. This can be attributed to building construction material, other Wi-Fis operating nearby, or things like portable phones or microwave ovens that operate in the same radio band.

Time Capsule, Airport Express and Xbox Live

Recently I went out and bought a Time Capsule 1TB hoping to extend my wireless network. I knew that Apple products wouldn't usually help extend a DLINK network so it came as no surprise when I could not extend my DLINK network. My solution was to buy a new Airport Express, disable the wifi on the DLINK router and extend the Airport Expresses network via the Time Capsule.
The current situation is: DLINK <-> Ethernet <-> Airport Express Wireless Time Capsule <-> Ethernet <-> Xbox360
The issue is the Time Capsule as far as I can see. For apparently no reason it will change from a solid green status light to a flashing amber status light. Signing my Xbox into Xbox Live seems to be a trigger, but the Time Capsule goes amber even when the Xbox isnt on at all. When it does change to flashing amber I am no longer able to detect it within Airport Utility and as such am unable to diagnose the issue. Any help would be appreciated.

Here it works fine. I have a Time Capsule connected to my ADSL modem. I had to buy an all new Airport Express 802.11n, though, because my old AE could not extend my network.
On an all 802.11n setup you just check the "Allow this network to be extended" on the master (Time Capsule), and choose "Extend a wireless network" on the remotes.
The X-Box is connected with an Ethernet cable to the Airport Express, and connection to X-Box Live works fine.
Good luck!

Time Capsule + Airport Express N How to extend

Have been trying to extend my wireless network but have been unsussessful. Here is my setup. Cable modem connected to Time Capsule and Express N connected via ethernet cable. I try to do it with the setup but it will eventually revert to picking up the cable modem IP address 169.etc so I think I might need to manually input the addresses. Will some walk me through this including the ip addresses I should use? The Time capsule is NOT in bridge mode and works perfectly with the internet and other expresses used only for music streaming. Thanks

Mitchell, welcome to the discussions!
You may find it easier to use Manual Setup in AirPort Utility for the device.
The key setting would be under the Internet icon. Look at the bottom of the pane for Connection Sharing, this would be set to Off (Bridge Mode). Under the Wireless tab, you would set the Wireless Mode for "extend a wireless network" and make sure there is a check mark next to "allow wireless clients"
On the setup of the Time Capsule in AirPort Utility - Manual Setup - Wireless tab, make sure there is a check mark next to "allow the network to be extended"
If you have a good wireless signal in the area where the Express will be located, you also might want to try extending your network without using the ethernet cable. Normally, a good starting point for positioning the Express is at a point that is approximately half the distance from the Time Capsule and the area that you want to cover with the Express.
You may also need to reset your cable modem by powering it down for 10-15 minutes and then restarting.
Please post back on your progress.

Time Capsule + Airport Express (no password for extended guest network)

Hi guys,
I´m using at home an Time Capsule combined with an Airport Express for extended range.
I´ve activated the Guest Network on the Time Capsule, using an WPA2 Password for it.
Problem is, the Airport Express is extending both the regular network and the guest network, but there´s no password set for the extended guest network.
So basically there are 4 networks, 3 are properly secured (TC regular and guest and AE regular) but I can´t set a password for the Guest Network that´s being extended by the Airport Express.
I have looked everywhere on the AirPort Utility with no luck whatsoever.
I appreciate any help on this.
Kainan-Maki.

Time Capsule and Airport Express, Windows 7
So you don't have a Mac or even iOS device to setup the TC and express?
This addition of extending guest is new in later firmware.. but you need the 6.2 utility to control it.. AFAIK.

Need help setting up WiFi - Xfinity with Network Switch, Time Capsule, Airport Express and Apple TV

Hello - I recently got Comcast Xfinity service. We had switched from a different service. Our wifi service was never great, but prior to Xfinity, it worked decently. But now that we have Xfinity, our wifi is much worse and very unreliable. I am seeking advice on how to setup my various Apple wifi devices in my home. I have attached a diagram that illustrates what I am dealing with. We have a large old house with stone walls. Comcast does not support this issue.
To explain the attached diagram, we have a total of 4 levels in our house - an unfinished basement, 1st floor, 2nd floor, and 3rd floor. The Xfinity router is in the basement and it is connected to a NetGear 10/100 network switch. I already have ethernet cables running from the network switch in the basement to various locations throughout the house. So I have ethernet connected to my time capsule and ethernet connected to each of my 3 Airport express devices. The dark lines running from the network switch to the various devices represents ethernet cable.
The immediate problem that we are having is that we are unable to connect to our wifi networks. The networks show on my mac laptop and my iPhone, for example, but I am unable to connect. I know that I am inputting the correct password, but most of the time, we cannot get in. Sometimes we can..... Very frustrating! Also, due to the fact that I setup what I have over several years, I have multiple network names. I once tried to fix that issue, but was unable to tackle it due to my lack of understanding.
Here is what I am looking to accomplish:
1. Seamless wifi access throughout our house.
2. One name for our wifi network. Right now we have multiple names for multiple networks. Just want to simplify and have only one network. (I guess that an additional "guest network" would be ok, but not absolutely necessary.
Also, if you think I should disable the Xfinity wifi, and just rely on my mac wifi devices, I am perfectly fine with this. Just tell me how to do so.
I have no idea how where to start or how to set this up. I imagine that I would need to disconnect everything and reset and start from scratch? Can someone tell me what I should do? Even general advice would be helpful, but the more specific, the better, given my limited understanding. Any help or advice would be greatly appreciated.
Thanks in advance!

Your photo link is not working. Click on the camera icon to load an image. (Shorten the name of the file to something like WifiNetwork.jpg)
Potential Quick Fixes When Your iPad Won’t Connect to Your Wifi Network
http://ipadinsight.com/ipad-tips-tricks/potential-quick-fixes-when-your-ipad-won t-connect-to-your-wifi-network/
~~~~~~~~~~~~~~~~~~~~~~~~~
Wi-Fi Fix for iOS 6
https://discussions.apple.com/thread/4823738?tstart=240
iOS 6 Wifi Problems/Fixes
How To: Workaround iPad Wi-Fi Issues
http://www.theipadfan.com/workaround-ipad-wifi-issues/
Another Fix For iOS 6 WiFi Problems
http://tabletcrunch.com/2012/10/27/fix-ios-6-wifi-problems-ssid/
Wifi Doesn't Connect After Waking From Sleep - Sometimes increasing screen brightness prevents the failure to reconnect after waking from sleep. According to Apple, “If brightness is at lowest level, increase it by moving the slider to the right and set auto brightness to off.”
Fix For iOS 6 WiFi Problems?
http://tabletcrunch.com/2012/09/27/fix-ios-6-wifi-problems/
Did iOS 6 Screw Your Wi-Fi? Here’s How to Fix It
http://gizmodo.com/5944761/does-ios-6-have-a-wi+fi-bug
How To Fix Wi-Fi Connectivity Issue After Upgrading To iOS 6
http://www.iphonehacks.com/2012/09/fix-wi-fi-connectivity-issue-after-upgrading- to-ios-6.html
iOS 6 iPad 3 wi-fi "connection fix" for netgear router
http://www.youtube.com/watch?v=XsWS4ha-dn0
Apple's iOS 6 Wi-Fi problems
http://www.zdnet.com/apples-ios-6-wi-fi-problems-linger-on-7000004799/
~~~~~~~~~~~~~~~~~~~~~~~
How to Boost Your Wi-Fi Signal
http://ipad.about.com/od/iPad_Troubleshooting/a/How-To-Boost-Your-Wi-Fi-Signal.h tm
Troubleshooting a Weak Wi-Fi Signal
http://ipad.about.com/od/iPad_Troubleshooting/a/Troubleshooting-A-Weak-Wi-Fi-Sig nal.htm
How to Fix a Poor Wi-Fi Signal on Your iPad
http://ipad.about.com/od/iPad_Troubleshooting/a/How-To-Fix-A-Poor-Wi-Fi-Signal-O n-Your-iPad.htm
iOS Troubleshooting Wi-Fi networks and connections http://support.apple.com/kb/TS1398
iPad: Issues connecting to Wi-Fi networks http://support.apple.com/kb/ts3304
WiFi Connecting/Troubleshooting http://www.apple.com/support/ipad/wifi/
How to Fix: My iPad Won't Connect to WiFi
http://ipad.about.com/od/iPad_Troubleshooting/ss/How-To-Fix-My-Ipad-Wont-Connect -To-Wi-Fi.htm
iOS: Connecting to the Internet http://support.apple.com/kb/HT1695
iOS: Recommended settings for Wi-Fi routers and access points http://support.apple.com/kb/HT4199
How to Quickly Fix iPad 3 Wi-Fi Reception Problems
http://osxdaily.com/2012/03/21/fix-new-ipad-3-wi-fi-reception-problems/
iPad Wi-Fi Problems: Comprehensive List of Fixes
http://appletoolbox.com/2010/04/ipad-wi-fi-problems-comprehensive-list-of-fixes/
Connect iPad to Wi-Fi (with troubleshooting info)
http://thehowto.wikidot.com/wifi-connect-ipad
Fix iPad Wifi Connection and Signal Issues http://www.youtube.com/watch?v=uwWtIG5jUxE
Fix Slow WiFi Issue https://discussions.apple.com/thread/2398063?start=60&tstart=0
How To Fix iPhone, iPad, iPod Touch Wi-Fi Connectivity Issue http://tinyurl.com/7nvxbmz
Unable to Connect After iOS Update - saw this solution on another post.
https://discussions.apple.com/thread/4010130
Note - When troubleshooting wifi connection problems, don't hold your iPad by hand. There have been a few reports that holding the iPad by hand, seems to attenuate the wifi signal.
Wi-Fi or Bluetooth settings grayed out or dim
http://support.apple.com/kb/TS1559
~~~~~~~~~~~~~~~
If any of the above solutions work, please post back what solved your problem. It will help others with the same problem.
 Cheers, Tom

Time Capsule & Airport Express Extended Network loses connection!

OK, so I am an Apple virgin of 2 months experience, after many many years with Windows based PCs, so please be patient and gentle with me. Sorry about the long explanation.....
My set-up comprises of a Time Capsule, which is connected to the Internet via a NetGear ASDL modem. Both pieces of equipment are situated in my wife's office on the first floor of our house. My office is on the ground floor, where I have a 27" iMac and an Airport Express which is connected to a printer via the USB port. The Airport Express is sited about 10 feet from the iMac.
All software and firmware are lastest versions - TC v7.5, AX v7.4.2 & Airport Utility v5.5.
For the past 2 months, I have only been using the AX to print wirelessly and the set-up has worked faultlessly.
Earlier this week, I decided change the configuration to extend the network to allow me to use my laptop & iPhone in areas of the ground floor where I had no signal. I followed the online instructions and first changed the TC to check the box to 'allow this network to be extended', after updating the configuration successfully I moved to the AX. Here I changed the wireless mode to 'Extend a wireless network', selected the network name and checked the 'Allow wireless clients' box. This also updated successfully.
Everything ran correctly and the range of the network was greatly increased.......great, job done...not!
After about 3 hours the iMac lost the connection and the TC disappeared from the Airport Utility pane and refused to reappear. I checked but also couldn't connect or see any network on the laptop or iPhone, so have dismissed a fault with the iMac. I finally got things back up after doing a power reset of the TC, but after a few hours same problem occurred, and occurred and occurred. By clicking the Airport Utility icon on the top right of the screen and following the prompts from 'no Internet connection', I can at least get things up and working without a power reset of the TC, but the connection still drops after 2-5 hours each time.
My first call to Apple Support led to a full reset and re-config of both the TC and AX, setting the extended network up as I had done originally. The only difference was an iMac reset (alt/cmd P&R on power up) and changing the 2.4Ghz channel from 1 to 11. This had no affect and the connection drop-out problem continued.
My second call to Apple Support led to me being passed to a Level 2 Techie, who first suggested that I tried disabling the Guest Network - tried it, and it made no difference. I was then told to try a WDS network, which whilst not losing connection, is slower and has less range than the original extended network and frankly sounds a cop-out.
Has anyone had a similar problem, anyone solved the problems, can anyone offer any help or advice please.. I'd appreciate any input....thanks.

Similar problem here. Cable Modem (Moto SB6120)->AEBS (802.11n dual-band)>AX (802.11n) for wireless connection to MacBook Pro running Mac OS X 10.6.2. AEBS configured as dual-band: 801.11a/n at 5GHZ and 801.11b/g/n at 2.4 GHZ. AX configured to wirelessly extend the AEBS 5GHz 802.11a/n network. I am able to run on the extended 5GHz network (via AX) for varying lengths of time, until the internet connection dies. When this occurs, I am able to switch over to the 2.4GHz network to get back online. Solution up until now has been to unplug the AX, then plug it back in. After the AX restarts, I am able to hop back onto its 5GHz signal and get to the internet. However, the internet connection on this band will drop again after some time.
I was on the phone with Apple Support twice in the past week to get this resolved, but no joy. Senior Advisor seemed to think that my AX was working properly, and that that the problem could be with my AEBS -- perhaps the 5GHz antenna might be bad in my AEBS? Seems odd to me, since both my AEBS and AX are less than 2 months old...
I just read the post from LocoDoc and decided to see if I could replicate the problem. Sure enough, when I am connected to the internet via my AX extended 5GHz network signal and a Time Machine backup starts, the internet connection quits. Only recourse is to restart the AX. Note that I do not experience this problem with Time Machine while connected wirelessly straight to the AEBS 5GHz signal. Only when I am connected to the "extended" signal via the AX.

Time Capsule/Airport Express/Ethernet - Setting up Roaming Network?

Hi,
I am trying to setup a network in my house to extend the wifi. Currently the wifi signal is not strong enough to work in the a portion of the upstairs (bonus room). I want to extend the network and have it be as fast as possible.
Here's what I have going on:
There are 2 rooms hard wired with cat 5. The office and the upstairs bonus room. I have a comcast modem in the basement where the cat 5 wires all run to. The comcast modem has three available ethernet out ports. I have one of them running to my office where my time capsule is located which is where I currently have my wifi signal coming from. I have another ethernet plugged into another port on the comcast modem and running to the bonus room. I purchased a Airport express and was hoping to just plug it into the ethernet in the bonus room to extend my extisting network using the ethernet (via a roaming network?) but I can't get it to work.
A couple of questions:
Is this the best way to extend my network so it will be as fast as possible? How do I get it to work? I don't want to have to move the time capsule downstairs to make this work.
I am new to this type of networking so please forgive my ignorance.
Thanks in advance for the help.

Get the IP of the TC and the Express plugged into the Comcast router.. we are assuming router.
You simply click on the airport utility and see what IP it is picking up.
eg
This is bridged and has picked up the address from the main router.. so shows both LAN and IP address as the same.
Actually post a screenshot makes this ever so much easier.
If you are not getting this.. then click edit and go to the tabs..
1. Internet. Should be DHCP
2. Network. Should be Off (bridge mode)
3. Wireless. Should be Create a wireless network.
Post me up the details and "we" can work it out.
The basic Apple doco for roaming is here.
http://support.apple.com/kb/ht4260
As with so much documentation it is out of date against the newest version of the airport utility.. so they are a little behind.

Airport Time Capsule/Air Express Networking Issue

All of a sudden none of my wireless devices will connect to my network (2 iPhone 5's, 1 iPhone4S and an iPad2). I have a Motorola Surfboard cable modem attached to a Linksys router. Hardwired to the Linksys router is an Apple Airport Time Capsule in bridge mode centrally located in the home to create a wireless network and a Mac mini in the kitchen. Hardwired to the Airport Time Capsule is another Mac mini in the family room and a Windows PC in the walkout. To extend the wireless network I have two Airport Express units at opposite ends of the home. When I use the Airport Utility both of the express units and the Airport Time Capsule will report which wireless clients are currently attached to them, and the clients show wifi as being available with full bars. However, when I try to use any app requiring network all we get is the spinning wheel. If I turn off wifi on the clients LTE & 3G works fine. I have shut down and sequentially started the network up beginning with the modem several times, leaving the system off for longer intervals each time. The DNS servers and domain name are correct and I have even initiated a DHCP lease renewal and restarted the clients with no help. I am guessing my Airport Time Capsule has failed but in no way that is obvious to me. Has anyone had a wireless failure like this? Any suggestions will be appreciated.

This is a follow up from my own post. I factory reset the Airport Time Capsule and the two Airport Express units and re-setup the wireless network leaving the Airport Time Capsule set to 802.11 N (802.11 b/g compatible) and the two Airport Express units extending the first; the network acted the same. I then changed the Airport Time Capsule to 802.11 N (only 5 GHz) and everything works as it used to. I can change it back to "b/g compatible" and it fails, and back to "only 5 GHz" and it works. It would seem the 2.4 GHz radio has failed in a rather odd way. The good thing is my wireless network is working without me having to layout some cash for new hardware. We will see how long the 5 GHz radio lasts, it is a gen 1 Time Capsule. For now all is well.

Time Capsule Airport Express Best Configuration for Backups & Internet

I have Time Capsule as a main router connected to a cable modem downstairs, plus Airport Express (new with firmware upgrade 7.3.2) in my office upstairs to extend the network. Two things keep happening:
1. Backups work sometimes and sometimes not although I am connected to my WPS secured network
2. Frequently lose internet connection, as in every hour or so; alternately nice and fast, then none at all. Most of the time I have a SNR of about 37.
Is there some optimal configuration settings for TC and Airport Express that could reduce these occurrences? Is there, for example, something I need to do with the Access settings on one or both?
Thanks for any help.

Since it still looks like you will need to support 802.11g wireless clients (your iPhone), the best radio mode for the Time Capsule (TC) will be the default "802.11n (b/g compatible." Since this is running in the 2.4 GHz radio band, you can use iStumbler (or similar utility) to determine if there are other Wi-Fis in the area; find out what channels they are operating on; and try changing channels on your wireless network to see if this will help provide the best SNR.
1. Backups work sometimes and sometimes not although I am connected to my WPS secured network
Are you actually using a WPS, or did you mean WPA?
2. Frequently lose internet connection, as in every hour or so; alternately nice and fast, then none at all. Most of the time I have a SNR of about 37.
If directly connected to the TC by Ethernet do you still lose the Internet connection periodically? If so, how about when connected directly to the cable modem?

Time Capsule + AirPort express don't work together

OK so I have my Time Capsule running, I plug in my Airport express and AirPort Utility software doesn't see it. You know why?

My Time Capsule and AirPort Express work fine together. The TC is connected via ethernet to my iMac, but the AEBS is meant to be my printer server/AirTunes outlet. I basically plugged in the AEBS and used AirPort Utility to locate the device. Once in manual setup, I clicked wireless and connected to my existing TC network. If your TC is set to NOT broadcast the network name, you will need the exact name and the network password including the security scheme (e.g. Apple Network A12B34, mysecretpassword, and WPA/WPA2 Personal). Once restarted, AEBS should connect to your exisiting network. If a past attempt was made to access AEBS wirelessly and you did it incorrectly, it's likely you won't be able to access the AEBS unless you do a hard reset. To do a hard reset, have the AEBS plugged in and use a pin to press the reset button until the light flashes, then release and try using AirPort Utility again.

Time Capsule & Airport Express Network Security

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