Time Capsule getting Disconnected Frequently

Hi,
I configured Time Capsule on an existing wireless networking, mapped the drives on Windows 7 Professional workstations and after a while the mapped drive seems to be disconnected, I tried to check with Airport Utility on my MacBook Pro it says device no longer exists so I had to restart the Time Capsule in order to appear it online, this is happening every 30 minutes. Kindly help.

It should not change anything.. your TC name will not be different.. so it depends how you are mapping.
If you map to \\TCIPaddress you should make sure the address is locked.. preferably by using locked dhcp to MAC address.
I hope you do use \\TCname.. and that the name is short, no spaces pure alphanumeric.
Also that you set the workgroup correctly for the windows computers to connect.
Anyhow redoing mapping is not that hard.

Similar Messages

Time Capsule keeps disconnecting while trying to backup or copy files, can someone please help me?

I have a MacBook Pro, a Desktop PC running Windows 7 and a wifi router connected to the Broadband Internet. All devices share the same local network.
My Time Capsule (early 4th Generation) is connected via ethernet directly to the modem, I'm also able to connect wirelessly.
I also have an external seagate 3t drive connected to the time capsule.
For some strange reason, my Time Capsule keeps disconnecting form the Network after I try to access the data either in the tc or the hd, however the light is always green.
The problem mainly happens when copying data either from my Windows PC or my MacBook Pro: eventually, the connection between it and the Time Capsule is lost, interrupting the copy. It keeps happening every time, after a while, and only gets fixed rebooting Windows and the Time Capsule. I can't copy my PC data.
I've tried soft and hard reset, the time capsule it's discoverable again and able to connect either via ethernet or wirelessly, however if I try to copy something to it or do a backup, it immedialty disconnects itself.
Can someone please try to help me solve this issue?
Thanks

Wow! Thanks so much for such a prompt reply and for trying to help me, I really do appreciate it.
Your reply is so detailed because, unlike me, you are an expert, so I’ll try to answer the questions you are asking, however I’m not that good at computers so please be patient and excuse me.
1. Network layout.
What is the wifi router you have??
Answer: I’m connected to the internet through my ISP (centurylink formely Qwest) modem, ZyXel Q1000Z, I went to my modem page and copied this for you, it hope it helpsModem Status
Modem Parameter
Status
Firmware Version:
QZZ001-4.4.015.1-Q1000Z
Model Number:
Q1000Z
Serial Number:
S110Y12050750
WAN MAC Address:
40:4a:03:f4: I deleted some #s to post it
Downstream Rate:
20127 Kbps
Upstream Rate:
892 Kbps
ISP Protocol
PPPoE
Encapsulation:
ATM - LLC Bridged
I presume this is modem as well.. please give all the details of the modem router .. make and model and what role it has in the network.. ie main router or bridged. If wireless is running what you do with it. Are devices connected to the modem router and so some devices are connected only indirectly to the TC?
Answer:
Make and model listed above, not sure about the bridge thing but in the image above it says something about encapsulation, does that help? If the wireless is running, (I assume you are talking about TC) I usually backup my MBP and my Windows PC, I also have a Seagate 3T Connected to the TC and I save music, photos and files on it to share within my network. Yes there are tons of devices connected to the modem, eg. Mac, MBP, MAir, Ipads, AppleTVs, iphones, printers, etc. Although when I first set-up time capsule (about 1 ½ years ago) I created a wireless network connection, Nobody ever connects to that network to access the internet, the only person that connects to the TC is me and that will be either through my MBP or my pc.
I think I should mention that my ISP modem is connected to my PC through and Ethernet cable, although I connect wirelessly to it and my TC is also using an Ethernet cable to connect to the modem, however I sometimes connect to TC wirelessly. Not sure if you needed to know that be just in case.
What setup and role does the TC have.. ie is it router or in bridge. If the main modem is also router than the TC must be bridged.
Answer: Not sure??
What firmware is the TC running?
Answer: 7.6.4
Has this been stable in the past and now has failed.. or was it always bad?
Answer: Yes!, it used to be stable before, I really never had issues, this has happened since last November I think.
2. Initial changes to get the ball rolling.
Let me strongly recommend you do these thing...
Comment:
I’m about to do your recommendations after I finish typing this, however I thought I should mention that while on Windows 7, I am only able to see the TC on Airport Utility as soon as I unplug the TC and plug it back in, other than that TC doesn't show up on it, I am only able to see the TC through Windows Explorer/Network. Also sometimes while I’m doing something else, like being on the net, I notice the HD connected to the TC seems to be reading something
All SMB compatible names.. that is for windows to work properly.. so short.. 2-10 is plenty of characters.. but make 20 the limit, no spaces and pure alphanumeric. (This is narrow, but easy to remember).
Comment:
When doing the factory reset do I need to this SMB thing? I’m a bit confused here, you are talking about me doing manually, so I can type something like this right?
Good TC name. TCGen4
Good 2.4ghz wireless name. TC24ghz
Good 5ghz wireless name TC5ghz
Exactly what format is the USB drive? Is it partitioned GUID and formatted HFS+ on the Mac?? this is the only way really.
Answer: The Hard Drive connected to the TC is a Seagate 3t, I did do a partition GUID and half of it is to be used in my mac and the other in pc, I had no issues in the past with these partitions, I was able to save files from my MBP to the HD and from my PC to the HD, and then later able to see either files on both my mac or pc.
I use my TimeMachine to Backup on the TC and it backs up both the TC and the HD connect it to it, I then have another HD connected to my MBP and do another backup there, I have lost information in the past and that’s is why I do so many backups.
I also wanted to mention that most of the time the TC disappears from the network is when I try to copy something to it.
I'm also enclosing a couple of photos of my windows airport utility, I am not sure if they will help you know something, I deleted my name and Ip address.
Thanks again LaPastenague

My Time Machine / Time capsule gets the error: The backup disk image could not be mounted

My time machine / time capsule gets the error: The backup disk image could not be mounted.

Reboot the TC.
If you normally have multiple computers backing up, under Lion there seems to be some issues.. you need to force other users off the system. You can do that through the Airport utility, manual setup, disks, disconnect all users. Note carefully if you use Lion you probably need to download the real airport utility.. 5.6 to accomplish anything useful.

Time capsule keeps disconnecting intermittently. I have reverted to an earlier firmware (7.6.1) but I am still having an issue. Any suggestions?

My time capsule keeps disconnecting intermittently. I have reverted to an earlier firmware version (7.6.1) but this has not solved the problem. Any suggestions?

Disconnecting what?
Wireless?
Internet?
Local lan? Hard disk in the TC?
Pray be specific.
When it is disconnected how do you fix it?
If the computer is plugged in by ethernet and wireless turned off, does the problem stop?
There is a bug .. well several really in the networking of Mountain Lion.. which seems to be worse with the TC.
It will lose access to the hard disk on regular basis. and it is just that .. a bug.. a reboot of the TC fixes it.
Did you use all very short names for TC.. wireless and disk name?
Is the issue with Time Machine? Or what and how are you using the computer that causes the problem.
Pondini has listed several solutions or work arounds for TM. See C section of his KB. on troubleshooting.
http://pondini.org/TM/Troubleshooting.html
C12 and C17 being the most common.. asked several times a day.

Time Capsule WiFi disconnects when a Fujitsu Siemen Laptop with b/g network

Time Capsule WiFi disconnects when a Windows Vista based Laptop with "b/g" network connects. When i use Macbook with "n" Network.
Surprising that TC and MacBook both from Apple can't stay connected when Fujitsu Siemens Laptop joins through WiFi.
I use a DSL Modem (Speed 1 Mbps) connected thru ethernet to Time Capsule on Bridge Mode.

Yes, n is better, but if you have it running on b/g/n (since you have to with your b/g only notebooks) the n is inactive. Kind of a waste. Others have resorted to adding another wireless router which one set to b/g/n and the other n-only.

Broadband internt connectivity getting disconnected frequently

I am using eltisalat broadband connection and using AZTECH router. My internt connection getting disconnected frequently. what might be the reason.
My spouse is using sony laptop and using the same wifi connectivity and not getting disconnected.

yes, i have same problem!

Where does restored data from time capsule get placed

Where does restored data from time capsule get placed?
For instance, is the data seamlessly placed where it was missing or corrupted, or does it enter a program under some separate "heading" in the program 1) if letter is restored to Mail, 2) if entire mailbox restored to Mail, 3) if single letter restored to Documents, 4) if several photos to iPhoto, 5) if one folder restored to desktop.

Cannot answer all your questions, but will answer regarding iPhoto.
You cannot restore individual photos to iPhoto, you must restore the entire iPhoto Library.
When you do this, you are given several options. See the shot below for details:
The restored library will be placed in the default location....the Pictures folder

Time Capsule disk disconnect and reconnect every 5 minutes

This problem began with Airport Firmware 7.6, and has continued to perist with every subsequent firmware version. Reverting to firmware version 7.5.2 eliminates the problem. Running with the latest firmware version 7.6.3, on OS X 10.8.2, the Time Capsule disk is disconnected and reconnected every 5 minutes, and this is seen in the console log:
15/02/2013 16:10:22.344 KernelEventAgent[43]: tid 00000000 received event(s) VQ_NOTRESP (1)
15/02/2013 16:10:22.344 KernelEventAgent[43]: tid 00000000 type 'afpfs', mounted on '/Volumes/Vilya', from '//Mike%20Connally@TimeCapsule._afpovertcp._tcp.local/Vilya', not responding
15/02/2013 16:10:22.000 kernel[0]: ASP_TCP Disconnect: triggering reconnect by bumping reconnTrigger from curr value 190 on so 0xffffff804456ede0
15/02/2013 16:10:22.000 kernel[0]: ASP_TCP asp_tcp_usr_control: invalid kernelUseCount 0
15/02/2013 16:10:22.000 kernel[0]: AFP_VFS afpfs_DoReconnect started /Volumes/Vilya prevTrigger 190 currTrigger 191
15/02/2013 16:10:22.000 kernel[0]: AFP_VFS afpfs_DoReconnect: doing reconnect on /Volumes/Vilya
15/02/2013 16:10:22.000 kernel[0]: AFP_VFS afpfs_DoReconnect: posting to KEA EINPROGRESS for /Volumes/Vilya
15/02/2013 16:10:22.000 kernel[0]: AFP_VFS afpfs_DoReconnect: Max reconnect time: 30 secs, Connect timeout: 15 secs for /Volumes/Vilya
15/02/2013 16:10:22.000 kernel[0]: AFP_VFS afpfs_DoReconnect: connect to the server /Volumes/Vilya
15/02/2013 16:10:22.345 KernelEventAgent[43]: tid 00000000 found 1 filesystem(s) with problem(s)
15/02/2013 16:10:22.000 kernel[0]: AFP_VFS afpfs_DoReconnect: Logging in with uam 13 /Volumes/Vilya
15/02/2013 16:10:22.651 KernelEventAgent[43]: tid 00000000 received event(s) VQ_NOTRESP (1)
15/02/2013 16:10:22.000 kernel[0]: AFP_VFS afpfs_DoReconnect: Restoring session /Volumes/Vilya
15/02/2013 16:10:22.000 kernel[0]: AFP_VFS afpfs_DoReconnect: get the reconnect token
Has anyone found a solution to this, other than reverting to Airport Firmware 7.5.2?

Welcome to the club.. there is a very long thread.. here.
https://discussions.apple.com/thread/3526741?tstart=0
There seems to be any number of factors.. where the solutions are little silly things..
Start from the end of the thread and work backwards as this has been ongoing for a long time.. and experience has improved.
What you are seeing btw is the change apple made in Lion and 7.6 to higher security version of AFP.. but it is a mess IMHO.. and has not worked at all well.

Time Capsule HD disconnects

Hi, one week ago I got a Time Capsule 2TB to replace an older AirPort Express. I exprienced a lot of trouble with TC since this time. It started with unreliable internet connection and ended with occasionally loosing connection to the TC HD. First I thought it was a proplem of the ISP (Xfinity) or the modem. But they checked it and everything was fine. Actually I found out that the Internet dropping problems were only related to my two Macs, but not my iPhone or my iPad (or a guest access). I did a factory reset, and internet seems to work now. One problem however remains. I use TC for Time Machine backups of my iMac (2010) and MacBook (2012). My MacBook seems to fail to backup as most of the times the HD disconnects. My iMac did a successful TM backup (while connected via Ethernet), but it has a lot of trouble keeping the Wifi Connection. Sometimes internet is not accessible although I get a strong signal. The TC is only some feet away. So I am really lost. Is it an Hardware issue? I also used to testdrive an iTunes Library on the TC for Wifi access, but this was very unreliable too. Often I got the message that the TC HD did disconnect, was not reachable ore similar. Any ideas how to find the root of the problem?

There is a bug in Lion and made worse rather than fixed in Mountain Lion that causes the disk in the TC to disappear.. exactly what you found.. worse by wireless than ethernet.
Apple have not yet acknowledged there even is an issue.
I don't even have a work around.. it simply doesn't happen on Snow Leopard.. which is rock solid network wise.
A few things I can suggest.. clean install much better than upgrade install of the OS.. certainly problems on laptop wireless can be partly attributed to upgrade install.. if that is what you did.
I would reset the TC full factory settings.
Use all SMB compatible names.. short, no spaces, pure alphanumeric.
That is for TC name.. wireless names.. put a different name for 5ghz.. and hard disk name.. which should be data but has sometimes default to Time Capsule.
Lock the radio channels. So use manual settings and try 1, 6 or 11. And using different name for 5ghz you can set the laptop to prefer 5ghz if it is in range.
Use WPA2 personal security only.
Use very short lease time for DHCP.. 20min is good value and will cause almost no extra network traffic but should keep things updated. You can also use dhcp reservation to keep everyything using the same IP.

Can I create a network where the Time Capsule gets its internet connection from my iMac?

Hi,
I've recently bought a Time Capsulebut I'm having some problems with it on my university network. It is an Eduroam network, so each computer has to authenticate before it can get an Internet connection – I can't use the Time Capsule normally as it is unable to authenticate to the network. However, I'd like to be able to create a smaller network in my room (with my computer and iDevices on so that I can use Remote and stuff, as well as to potentially get my Xbox and Kindle,which can't connect either, online).
Last time I did this, I had my iMac create an internet connection which it shared with everything else. (This was before I had the Time Capsule.) One way of solving it seems like it might be to share the Wifi internet connection with the Time Capsule through the ethernet, and then the Time Capsule can share the interent to everything else. Would this be possible? Or can you think of any other way that this could be done?
In other terms, I have an iMac, a Time Capsule, an iPhone and iPad, a Kindle and an Xbox. Only the iMac can connect to the internet and I'd like them all to be able to, as well as being on the same network. Is this possible?
Thanks!

DropBox is another possibility for sharing files and it is free for the first 2GB of storage.
Lou Picinich
Member Apple Developers Network
Certified Member Apple Consultants Network
ACSP 10.5 → 10.7, ACTC 10.5 → 10.7
ACS Security & Mobility 10.6
Mobility Technical Competency
[email protected]
www.SystemXperts.com
(623) 512-8992

2TB Time Capsule getting "An unexpected error occurred. Try again" error

Hi,
I have been using 2TB Time Capsule as wireless hotspot and for Time Machine for about one year but all of a sudden it stopped doing backups. When trying to do a backup Time Machine said it couldn't find a disk to make the backup.
Airpot Utility is still able to see my time capsule:
However when trying to configure it using the utility first it spends some time at this point:
And after 2 or 3 minutes I get this error message:
Things I have tried with the same results:
- Setting my network preferences to change the "Configure IPV6" value on TCP/IP advanced setting to "link-local only" as suggested by a post I read but no luck.
- Also tried doing a hard reset of the device by pressing the reset button with a pen for 5 seconds until the led blinked fast. But I get the same error when using the Airport Utility.
-I even tried doing a factory-reset by unplugging the Time Capsule from power, pressing the reset button with a pen, plugging back the power and waited until the LED blinked fast. But I got the same error message when trying to configure with the Airpot Utility.
There are a few occasions (about 10% of my tries) where I am able to get one step further: I get to the point where it asks me for a password and for a name for the Time Capsule, however when clicking next it seems that it starts to configure some things and I even get internet access via the Time Capsule, however the Airport Utility shows the same unexpected error message after a few minutes. In this scenario Time Capsule works fine as access point, but it the disk still shows as unavailable for backups. I haven't found what conditions make me be able to get to this single further step. It seems to be related to the hard-reset. But it is confusing because most of the times I do the hard-reset procedure it doesn't allow me getting to the password and name setting step. 90% of the tries get stuck in the previous step.
Any thoughts about how to solve this problem? I am worries about not been able to backup my Mac. By the way, my Mac is a MabBook Pro running Mountain Lion.

There is some bug with the TC disk and Mountain Lion..
Look at Pondini section C .. much of it relates to later OS .. Lion and ML.
Some things are obvious and others are just a mess.
Note C9.. that is important. Use short names.. no spaces and pure alphanumeric.
http://pondini.org/TM/Troubleshooting.html
Try manually mounting the disk.. in Finder.. use Go, Connect to server.. and type in the address,
AFP://TCname or TCIPaddress (replaced with actual name or actual IP). eg at default, AFP://10.0.1.1
Any failure to connect try another factory reset and use ethernet.. and do it in full isolation from the network.. ie just the MBP and the TC with ethernet between them.
What version is the TC.. A1xxx from the base please??
What firmware revision?
Using v5 utility can sometimes get around things but you cannot use it on Gen5 TC.
You can load v5 utility into ML with a trick.
How to load 5.6 into ML.
1. Download 5.6 for Lion.
http://support.apple.com/kb/DL1482
Click to open the dmg but do not attempt to install the pkg.. it won't work anyway.
Leave the package open on the desktop so you can see the file. AirportUtility56.pkg
2. Download and install unpkg.
http://www.timdoug.com/unpkg/
Run unpkg on the desktop.. If your Mac refuses to run the software, because it wasn’t downloaded from the Apple store, go to security in preferences and allow other software to work.. this is limitation of trade methinks. You can set back later if you like.
Now drag the AirPortUtility56.pkg file over to unpkg.. and it will create a new directory of the same name on the desktop.. in finder, open the new directory, drill down.. applications, utilities .. there lo and behold is Airport utility 5.6 .. drag it to your main utilities directory or just run it from current location.
You cannot uninstall version 6 (now 6.3 if you updated) so don't try.. and you cannot or should not run them both at the same time.. although I have had no problems when doing so.
For screen shots see this post.
https://discussions.apple.com/thread/4668746?tstart=0

Time Machine backup to Time Capsule gets stuck

Hi all,
I'm backing up my MBP via ethernet to a Time Capsule. The incremental backups take forever and are driving me nuts. The backups seem to be getting stuck midway. The disk sounds like it's spinning but the progress bar doesn't move. Also, it seems to be copying over too many files every hour, like >60000 or so (log below). I doubt that so many files get modified every hour.
I've tried everything (I could think of and find on the discussion boards) like deleting the sparsebundle, deleting the entire backup drive, playing with the backup frequency, nothing works.
Please help!!
Thanks,
DB
11/27/08 10:02:57 PM /System/Library/CoreServices/backupd7045 Starting standard backup
11/27/08 10:02:57 PM /System/Library/CoreServices/backupd7045 Network mountpoint /Volumes/TC Backup Disk not owned by backupd... remounting
11/27/08 10:02:57 PM /System/Library/CoreServices/backupd7045 Network volume mounted at: /Volumes/TC Backup Disk-1
11/27/08 10:03:07 PM /System/Library/CoreServices/backupd7045 Disk image /Volumes/TC Backup Disk-1/Dhiren's MBP_002332d43774.sparsebundle mounted at: /Volumes/Backup of Dhiren's MBP
11/27/08 10:03:07 PM /System/Library/CoreServices/backupd7045 Backing up to: /Volumes/Backup of Dhiren's MBP/Backups.backupdb
11/27/08 10:04:39 PM /System/Library/CoreServices/backupd7045 No pre-backup thinning needed: 570.5 MB requested (including padding), 426.79 GB available
11/27/08 10:14:44 PM /System/Library/CoreServices/backupd7045 _*Copied 87124 files (20.3 MB) from volume Macintosh HD.*_
11/27/08 10:14:48 PM /System/Library/CoreServices/backupd7045 No pre-backup thinning needed: 559.1 MB requested (including padding), 426.69 GB available
11/27/08 10:15:02 PM /System/Library/CoreServices/backupd7045 Unable to rebuild path cache for source item. Partial source path:
11/27/08 10:15:02 PM /System/Library/CoreServices/backupd7045 Error: (-39) SrcErr:YES Copying (null) to (null)
11/27/08 10:15:14 PM /System/Library/CoreServices/backupd7045 Copied 1067 files (10.6 MB) from volume Macintosh HD.
11/27/08 10:15:22 PM /System/Library/CoreServices/backupd7045 Starting post-backup thinning
11/27/08 10:15:22 PM /System/Library/CoreServices/backupd7045 No post-back up thinning needed: no expired backups exist
11/27/08 10:15:22 PM /System/Library/CoreServices/backupd7045 Backup completed successfully.
11/27/08 10:15:26 PM /System/Library/CoreServices/backupd7045 Ejected Time Machine disk image.
11/27/08 10:15:32 PM /System/Library/CoreServices/backupd7045 Ejected Time Machine network volume.
11/27/08 10:15:32 PM /System/Library/CoreServices/backupd7045 Ejected Time Machine network volume.

Hi all,
I'm backing up my MBP via ethernet to a Time Capsule. The incremental backups take forever and are driving me nuts. The backups seem to be getting stuck midway. The disk sounds like it's spinning but the progress bar doesn't move. Also, it seems to be copying over too many files every hour, like >60000 or so (log below). I doubt that so many files get modified every hour.
I've tried everything (I could think of and find on the discussion boards) like deleting the sparsebundle, deleting the entire backup drive, playing with the backup frequency, nothing works.
Please help!!
Thanks,
DB
11/27/08 10:02:57 PM /System/Library/CoreServices/backupd7045 Starting standard backup
11/27/08 10:02:57 PM /System/Library/CoreServices/backupd7045 Network mountpoint /Volumes/TC Backup Disk not owned by backupd... remounting
11/27/08 10:02:57 PM /System/Library/CoreServices/backupd7045 Network volume mounted at: /Volumes/TC Backup Disk-1
11/27/08 10:03:07 PM /System/Library/CoreServices/backupd7045 Disk image /Volumes/TC Backup Disk-1/Dhiren's MBP_002332d43774.sparsebundle mounted at: /Volumes/Backup of Dhiren's MBP
11/27/08 10:03:07 PM /System/Library/CoreServices/backupd7045 Backing up to: /Volumes/Backup of Dhiren's MBP/Backups.backupdb
11/27/08 10:04:39 PM /System/Library/CoreServices/backupd7045 No pre-backup thinning needed: 570.5 MB requested (including padding), 426.79 GB available
11/27/08 10:14:44 PM /System/Library/CoreServices/backupd7045 _*Copied 87124 files (20.3 MB) from volume Macintosh HD.*_
11/27/08 10:14:48 PM /System/Library/CoreServices/backupd7045 No pre-backup thinning needed: 559.1 MB requested (including padding), 426.69 GB available
11/27/08 10:15:02 PM /System/Library/CoreServices/backupd7045 Unable to rebuild path cache for source item. Partial source path:
11/27/08 10:15:02 PM /System/Library/CoreServices/backupd7045 Error: (-39) SrcErr:YES Copying (null) to (null)
11/27/08 10:15:14 PM /System/Library/CoreServices/backupd7045 Copied 1067 files (10.6 MB) from volume Macintosh HD.
11/27/08 10:15:22 PM /System/Library/CoreServices/backupd7045 Starting post-backup thinning
11/27/08 10:15:22 PM /System/Library/CoreServices/backupd7045 No post-back up thinning needed: no expired backups exist
11/27/08 10:15:22 PM /System/Library/CoreServices/backupd7045 Backup completed successfully.
11/27/08 10:15:26 PM /System/Library/CoreServices/backupd7045 Ejected Time Machine disk image.
11/27/08 10:15:32 PM /System/Library/CoreServices/backupd7045 Ejected Time Machine network volume.
11/27/08 10:15:32 PM /System/Library/CoreServices/backupd7045 Ejected Time Machine network volume.

Time Capsule keeps disconnecting as a router

I have Time Capsule connected by ethernet to my main Mac and serving as a wireless router for the upstairs Mac, Windows laptop, etc. It did a perfect backup, but my problem is that it seems to need periodic "re-connection" to any computer that wants to access it as a router. I don't know if this is a function of the initial big back-up it was doing, but even after that concluded, I'd be cruising along on the net until the connection from the TC timed out (for want of a better expression).
For now I'm using TC as a pure wireless HD and went back to my perfectly fine Linksys router and all is well. But for what I spent, and just on general principle, I'd love to get the TC working as a rock-steady router. Any suggestions?
Thanks.

Register by MAC address to the first device is generally used by cable companies. But the Modem acts as the first port of call and whatever device first is turned on, picks up the public IP address and the MAC is registered. It just works.
Your issue might be that the first device to register has a very long lease. Since you cannot power cycle you should ask the IT admin of the building who controls this setup to release and renew the IP after you plug in the TC otherwise it will not be recognised.. for days or weeks or however long the lease is set to.
But it could be 24hours.
Plainly you got the Mac Mini working.. how did you do that??
Sometimes you can just try overnight.. remove the Mac and plug in the TC.. but it is far easier to talk to the admin and get him/her to simply renew the lease.
The other method we use is spoof the MAC address of the device currently plugged in. ie grab the MAC address of the Mini and use it in the router.. to pretend it is really the Mini.. the router on the other end is none the wiser.
TC AFAIK, has no ability to spoof, but almost every other broadband router made can do it. Apple designed it for lowest common denominator in terms of networking ability.. to put it mildly.
Note your internet might be already behind a NAT.. if you use the TC or any other router in NAT mode there is an issue of double NAT with every site that requires interactive connection because there is no possible link from the site to your PC by forwarding the port. Double NAT effectively blocks it.
Check the IP you have on the Mini now.. if it is a private address.. ensure it is not 10.0.x.x by the way otherwise the TC will not work due to routing considerations. But any of the private IP address ranges are not routable over the internet and will give you issues.
http://en.wikipedia.org/wiki/Private_network

Time Capsule shuts down frequently

Over the last few weeks my Time Capsule has been shutting down randomly. I did a hard reset a couple of weeks ago and that seemed to resolve the situation for a time, but now it has recurred.

The new express I haven't had opportunity to test. I would say it was pretty much the same, although they are not as good as the extreme.. use 10/100 port still, can introduce a slow down. So if you can afford it the Extreme is always going to be better as a router or AP. Still the reality is wireless seldom gets close to 100mbit so whilst theoretical speeds require gigabit.. reality is a harsh word. If you are close enough to get more than 100mbit, you are close enough to use a patch cable. (That is assuming Apple didn't leave out the ethernet port of course).
In my testing the wireless of the whole series is medium.. middle of the road. Whilst the latest generation stuff is supposed to have big power boosts.. I could barely detect a difference.. and in my double storey house.. my old G modem has wireless signal right to the extreme ends of the house.. Neither the TC or latest Extreme could get any signal there at all. YMMV.. !

Time capsule keeps disconnecting from the internet

My MBP was previously connected to the internet via my sky netgear router, with no issues.
I have recently purchased a 2TB time capsule and connected that to the sky netgear router via an ethernet cable.
I then set it up as its own wifi network. Now it keeps disconnecting from the internet every 5 mins or so. I know that the internet is fine as I can hook up with my netgear router with no issues. I cant seem to find any settings to play with. Earlier posts seem to suggest firmware issues, but since this is a brand new MBP and TC, I can't understand what the issue could be.

Give us the full blown picture of the network.
What modem? Is it a router?
Is the TC in router or bridge mode?
Can you test with ethernet.. does the same disconnect happen when wireless goes down?
ie is this a router issue or a wireless issue?
If wireless can you try setting all that is now auto, to manual settings.. wireless channels.. unfortunately I think wireless mode is no longer accessible. Different names for 2.4ghz and 5ghz.
There are no new drivers.. That would only be relevant to AC wireless anyway.. or the firmware of the TC.
But you are running the latest firmware.. 7.7.1 which does mention some (rare) disconnections.

Time Capsule getting Disconnected Frequently

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