Time Machine won't see network HD anymore

Time Machine has been working well backing up the MacBook Pro over WIFI to an external Firewire drive hardwired to the iMac. The iMac is backed up to a separate partition on the same external HD. After rashley changing MacBook passwords for Keychain and login (separately, then making them the same when I saw what a mess I made) the TM backups started failing on the MacBook, but were fine on the iMac.
I opened TM Preferences and unselected the network HD as the backup drive, intending to reselect again and start over. The network drive disappeared from the TM selection list and I cannot get it back. I can see the backup drive on the network and open it from the MacBook, but TM will not see it and put it on the list. I have tried reformating the partition, trashing the TM plist, checking all the network and user settings with no success.
Anybody got more things to try? I may try moving the external HD from the iMac to the Airport Extreme, but would rather not.

I was able to backup with TM by direct connection to the external HD. I reinstalled 10.9.1 but this had no effect on the problem of not being able to backup with TM over the WIFI network.
I moved the HD from Firewire connection to the iMac to USB connection to the Airport Extreme. This seems to be a work around for me since both computers appear to be successfully backing up now. I don't like it because now I can't backup Bootcamp on the iMac due to the restrictions Windows places on network backups.

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Time Machine won't see Windows Home Server 2011 Disk (NAS)

Since upgrading too Mountian Lion, Time Machine doesn't see my NAS. The NAS is available in Lion, and Time Machine will back up to it. I have done the steps in HT4700 on the Mountian Lion mac, and it did work.
I can manually mount the drives, and browse the files via the finder. Help please.

Mcdonsco,
Have you reviewed the logs on the computer you are trying to backup? What does it say in the console?

Time Machine won't back me up anymore after the initial back up.

I don't know if anyone else has had this problem but I couldn't find any other topics with this. I have a problem with Time Machine backing up to Time Capsule. We just got a 1 TB Time Capsule this week. My initial back up went great and the speed was surprising. After that it did 2 more updates Tuesday and 3 or 4 more Wednesday. However ever since then it won't finish backing up. When I tell it to back up or it backs up automatically it has about 1 GB to update. It will start to back up very quickly up to 43 MB then it craws up to 54 MB and quits saying, "Unable to complete back up. An error occurred while copying files to the backup volume." I've tried things like plugging in an ethernet cable between Time Capsule and my Macbook but it doesn't help. I anyone has any helpful ideas they would be appreciated.

DaveHill wrote:
So I thought that fseventsd must be involved somewhere as it records the changes for TimeMachine to use to create the backups.
Correct, most of the time.
Jun 30 21:43:15 dhcp102 fseventsd[38]: client: 0x810800 : USER DROPPED EVENTS!
I don't think the earlier messages indicate much, if any, of a problem, but this one likely does.
Jul 1 20:15:45 falstaff fseventsd[38]: bumping event counter to: 0xeb6dc3a6 (current 0x0) from log file '00000000eb6cafa8'
Yes, something wrong with the event log still/again.
Ideas?
It does look like something going wrong with the event log. Just what isn't so clear.
I'd start by booting from your Leopard Install disc and repairing the internal HD, per #A5 in Time Machine - Troubleshooting (or use the link in *User Tips* at the top of this forum).
While you're at it, you might do the same on your backups, just to be sure they're ok, too.
When you reboot and run the next backup, Time Machine should log a UUID message about your internal HD, and do a "deep traversal." That will ignore the event log, instead comparing everything on your system to your backups, to be sure they match. That should "catch up" anything missed earlier.
Subsequent backups should revert to using the event log. Keep an eye on the messages (see #A1 in Troubleshooting for a handy widget); if the event log errors continue, something else is clearly wrong.

Time Machine won't see my backup after resetting Time Capsule

i had to reset my TC because i got a new modem. once i got the network up and running again, now time machine wants to start over backing up my MBP, even though i can see the backup files on the TC....
how do i get time machine to recognize that this time machine has my backups on it already?
I had changed the name of the TC, then i changed it back. so i don't think that's the problem?
will i have to erase the time capsule and start over backing up?
thanks in advance...

TM may start a new backup sequence for any of a number of reasons. See #D3 in the Time Machine - Troubleshooting *User Tip* at the top of this forum.
Click here to download the +Time Machine Buddy+ widget. It shows the messages from your logs for one TM backup run at a time, in a small window.
Navigate to the first of the backup attempt that failed, copy and post the messages here. A clue should be lurking in there.
i'd like to keep those backups because there's some important stuff in there.
That's a curious comment. Have you been deleting things from your internal HD, relying on TM to keep it's copies archived?

Time machine won't see my airdisk for i can't mount it

hi,
i can't use my lacie hard dirve that is hooked up to my airport extreme base station with the time machine.
looking around the forums i understood that time machine only works with the drives that are mounted on the desktop. some apparently do that manually by clicking to it in finder, others use an automator app to automatically mount.
but my problem is i can't mount the drive in anyways. clicking on it in finder wouldn't mount it on the desktop in may case: although i can browse it in finder it wouldn't appear on the desktop.
since it never appears on the desktop i can't drag it to an automator app.
does anyone have any solutions?

TM may start a new backup sequence for any of a number of reasons. See #D3 in the Time Machine - Troubleshooting *User Tip* at the top of this forum.
Click here to download the +Time Machine Buddy+ widget. It shows the messages from your logs for one TM backup run at a time, in a small window.
Navigate to the first of the backup attempt that failed, copy and post the messages here. A clue should be lurking in there.
i'd like to keep those backups because there's some important stuff in there.
That's a curious comment. Have you been deleting things from your internal HD, relying on TM to keep it's copies archived?

Time Machine won't see my previous backups

hi,
for some reason, TM has continually told me there isn't enough space to make a backup to my external usb hd.
it's been backing up to this hd for about 9 months. disk utility checked it out and it seemed okay.
is there a way to get TM to pickup where it left off instead of having to start afresh? i'd like to keep those backups because there's some important stuff in there.
thanks for any help!
cheers,
sean

TM may start a new backup sequence for any of a number of reasons. See #D3 in the Time Machine - Troubleshooting *User Tip* at the top of this forum.
Click here to download the +Time Machine Buddy+ widget. It shows the messages from your logs for one TM backup run at a time, in a small window.
Navigate to the first of the backup attempt that failed, copy and post the messages here. A clue should be lurking in there.
i'd like to keep those backups because there's some important stuff in there.
That's a curious comment. Have you been deleting things from your internal HD, relying on TM to keep it's copies archived?

Time Machine won't see disk

I had my iMac packed up and stored away when I was away for 3 weeks, bringing only my MacBook Pro with me. I also packed down the two external hard drives I have, one of which is for Time Machine.
Now, after I came back and set it all up again, Time Machine hasn't been able to back up. It says it searched for the disk but never finds it. I have tried to deselect the disk and select it again and I have turned TM off and on, several times and all other tips I have come across, but nothing helps. I have cheked the disk with Disk Utility and it appears to be fine - and it shows up like normal.
I had ti connected through a USB-hub and I thought I might have forgotten which port it was, so now I connected it directly to the iMac, but that didn't help, either.
Any ideas, anyone?

I'm surprised that no one replied to this. But I learned a few things that may be helpful to some of you with this same question.
When you restore data from an external disk drive with Time Machine files on it. As you move through the dialog (in either System Startup or in the Migration Assistant) it will ask if you want to restore from an external disk with Time Machine files. If you select this option, it will show you only one Icon. You will expect to see your external disk drive listed as the source of the restore. The icon that is shown will look like your ilnternal drive and will be labeled something like Macintosh HD. That is not your internal drive, but is your backup drive. It is labeled the same as your internal disk drive and it is telling you that you have found the backup for your internal disk drive.
Would be nice if Apple would put a note of explanation about this as part of that dialog. I wasted several hours trying to make it work Finally I took a chance and selected the drive shown and it did restore my system. I ended up with two users since I did it from Migration Assistant. Had I done it from the System Startup, there would only be the one user.

Missing Backups -- They are there, but Time Machine won't see them

I have backups going back to March 2008 on an external USB drive. Recently, there was an error message in my time machine status bar that a backup had been interrupted. After that, TIme Machine stopped backing up. I repaired my time machine backup disk using disk utility (and it found and repaired an error that there were an "Incorrect number of Access Control Lists"). I then reselected my external drive as my backup disk. Time machine is again backing up correctly. Moreover, my time machine preferences show that my oldest backup is, in fact, from March 2008, and when I mount the sparsebundle from the USB drive, all my old backups appear. However, when I actually enter time machine, none of the older backups appear. In fact, none appear at all. Only "today" is visible. Any idea how I can make time machine recognize and view all of my old backups?

I have a similar problem, with a slight twist.
Installed Time Machine January 2008.
The Apple store installed 10.5.6. November 2008.
Time Machine will only go back to the date of the 10.5.6 installation.
In console or terminal mode there are some directories and files are there on the backup HD. Although I have not found the original baseline backup yet from the console mode.
Apple support call in reported that a product specialist said the only thing to do was erase the backup HD and start over, that the 10.5.6 install had been a "new" install and the backups were no longer going to be accessible. One way to cut down on support calls is to to limit the support delivered.
Found several December 2008 references to changing permissions on "Mac address" based on ethernet card 16 byte file.
"Note the name of the file that begins with a period and has 12 characters in the name, such as ".001b6397c156" mentioned in the quote above"
This permission was r-------- to begin with. I did a chmod a+r and a+w.
A number of ways on the web to do that.
But this has not changed the behavior, but I have not rebooted yet.

Time machine doesn't see external hard drive on network

I have a pair of external hard drives connected to my iMac, which is connected to my 2WIRE modem/router via Ethernet. I'm using one of them as a Time Machine drive. For the past couple years, I've been backing up the laptops in the house to that Time Machine drive without fail.
Now none of the laptops (a MacBook and an iBook) won't see either external drive connected to the iMac, even though the iMac has file sharing turned on (as it always has) and both laptops are connected to the iMac via the Finder. Both laptops can see the iMac and the external drives connected to it via the Finder, but in Time Machine, when I try to select my Time Machine drive, nothing appears in the window.
I was having a problem with the Time Machine drive and had to wipe and reformat it, but I don't understand why Time Machine won't see the other external drive either, even if there is a problem with the TM drive. I recall Time Machine picking up all available hard drives as possible backup destinations, as long as they're also seen in the Finder.
The iMac has been having some OS X issues. The Finder will crash sometimes, and I have no choice but to hold down the power button to shut it down and then start it up. When it starts, it takes longer than it normally does, I assume because it's checking and/or fixing some things. However, those issues have been going on for a long time (I think I need to reinstall OS X in it, since Disk Utility finds nothing wrong; also, the hard drive in the iMac crashed about 2 months ago and I put a new one in; I then restored the TM backup to it, and the OS X issues have persisted, which tells me it's software-related, not the drive).
Also, the iMac backs up to the Time Machine drive just fine. Of course, the TM drive is connected to it locally, whereas the laptops have to get to that drive via wireless file sharing.
I did try plugging one of the external hard drives on the iMac into my MacBook, and Time Machine saw it immediately, so my guess is the issue must lie with my router and/or the iMac, but I don't know what to check next. I've restarted the iMac, I've restarted the laptops, I've turned TM on and off on the laptops, and I've turned file sharing on and off on the iMac; none of those things reestablished the connection.
I suppose I could just go with external hard drives for the laptops, but my wife moves her iBook all over the house, so I know hers won't get backed up regularly. That was the nice thing about the system I had in place, which I realize wasn't as elegant as a Time Capsule.
Any advice is appreciated. Thanks.

That should say "Now none of the laptops (a MacBook and an iBook) will see either external drive..." I hate typos.
Anyway, after rereading my post, I'm starting to think I just need to reinstall OS X on the iMac, given the other issues it's experiencing. Any advice for doing that would be appreciated, if that's indeed the solution. Thanks.

New MBP and Time Machine won't let me search out my NAS to save too. Any ideas?

When trying to set up time machine and using a NAS drive in my wireless network Time Machine won't let me search and select the storage device. I can access the storage and save/retrieve files so I can see and use it. Anyone got any ideas please?
Brand New MBP running Mavericks.

I'm having the same issue with Mavericks - and it appears to be Mavericks specific. I don't have this problem with Mountain Lion. Mountain Lion can see both of my NAS drives.
Additionally, with Mavericks Time Machine won't see your backup properly. It may only see the most recent backup. Though in my case it wouldn't load either one (I had two on different drives). To recover some files I had to use a machine running Mountain Lion to mount a backup file then I was able to extract the files to a USB drive, which I then moved to the Mavericks machine.
I've tried using terminal to run tmutil commands without luck. I have mounted the volume I want to use - it shows when I do "ls -l /Volumes". Then when I do sudo tmutil setdestination /Volumes/VOLUMENAME the system seems to go into an infinite loop. I have to ^c to get back to terminal.
Clearly with Time Machine on Mavericke Apple has really screwed the pooch.
MacBook Pro 2.3GHz i7 with DVD drive and standard resolution display.

I bought a new external hard drive for backups, but time machine won't do a full back up. I think it is remembering backing up onto previous external hard drives, which I don't own anymore. How do I do a new full backup?

I bought a new external hard drive for backups, but time machine won't do a full back up.
I think it is remembering backing up onto previous external hard drives, which I don't own anymore. How do I do a new full backup?
When I bought the new (used) iMac, I also bought an external hard drive for backups. It worked fine, but my husband stole it.
Then I bought a new external hard drive (Seagate) and it worked fine for three weeks, then died.
So I just got a new external hard drive, which was put together from an internal hard drive and a hard drive enclosure.
Time machine did the first backup today, and it should have taken 9 hours like it did on the previous first time full back up. Instead, it took 30 minutes. That can't be right. I want to start over and do a full backup to make sure everything gets onto my new external hard drive, but I can't figure out how to do that. Please help.

Triple-click anywhere in the line below to select it:
tmutil compare -E
Copy the selected text to the Clipboard (command-C).
Launch the Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
Paste into the Terminal window (command-V).
The command will take at least a few minutes to run. Eventually some lines of output will appear below what you entered.
Each line that begins with a plus sign (“+”) represents a file that has been added to the source volume since the last snapshot was taken. These files have not been backed up yet.
Each line that begins with an exclamation point (“!”) represents a file that has changed on the source volume. These files have been backed up, but not in their present state.
Each line that begins with a minus sign (“-“) represents a file that has been removed from the source volume.
At the end of the output, you’ll get some lines like the following:
Added:
Removed:
Changed:
These lines show the total amount of data added, removed, or changed on the source(s) since the last snapshot.

Time machine won't find my wireless network for backup

Time machine won't connect to my external hard drive. It still exists in timemachine set up, but airport utility can't find it - says it doesn't exist. The option to set up airport utility manually is greyed out and not available. The problem happened when i changed my wireless router. The hard drive is a WD MyBookLive and the router is a Belkin. I'd really appreciate your help - this is driving me nuts! :-)

Well, the set up is this:
Motorola modem connects to
Belkin N300 by Cat 5 cable which then connects to
D-Link gigabit switch which connects to
Macbook pro by ethernet cable.
The Belkin also creates the wireless network, which is used by various devices in the house, including the printer.
Error messages I have received are:
From Time Machine (which lists the MyBook as one of its choices, but then can't find it): "
The server "MyBookLive.local" may not exist or it is unavailable at this time. Check the server name or IP address, check your network connection, and then try again."
From the MyBook (which was previously working fine):
Hoping this may assist!
Many thanks,
Bruce

Time Machine won't back up external drive to Time Capsule

I recently got a Time Capsule, and successfully set it up to back up my iMac's primary drive, but for some reason Time Machine won't back up my external drive to the Time Capsule.
I removed the external drive from the exclusion list in System Preferences > Time Machine > Options, and from what I've read this should be sufficient to make Time Machine back up the drive.
The external drive is connected to my iMac via Thunderbolt > Thunderbolt-to-Firewire adaptor > Firewire 800 input, and the Time Capsule is connected via Ethernet to my LAN.
Since I'm using Ethernet, I've disabled Wi-Fi on the Time Capusule by going to AirPort Utility > My Time Capsule > Edit > Wireless > Network Mode > Off.
The reason I believe the external drive is not being backed up is because when I click the Time Machine icon in the upper-right status bar and choose "Enter Time Machine", none of the folders on external drive show any older versions.
Furthermore, when I click Finder > Time Machine Backups > Backups.backupdb, I can see only one sub-folder which has the name of my iMac's primary drive. I can't see any equivalent folder for my external drive.
Any idea what I'm doing wrong?

I don't see anything you have done wrong.. perhaps it does backup in a different way.
Load the widget.. A1 here... http://pondini.org/TM/Troubleshooting.html
That will allow you to track the log of TM to see what it is doing.
I would also try rebooting the computer.. exclude the drive again.. reboot.. and remove the exclusion.
You should be able to check the actual settings of TM in plist file.
And you can do a full reset of TM as well.. See A4. Check what is in the file. Pondini lists the location for you.
Nothing surprises me with Mountain Lion ...!!

Time Machine won't back up onto Time Capsule

I upgraded to Mountain Lion last week, and Time Machine won't back up to my Time Capsule. When it fails, I get the message:
Time Machine couldn't complete the backup to "Tom's Time Capsule".
The backup disk image "/Volumes/Data/TomsMac.sparsebundle" could not be created (error 60)
I sometimes get the same message, but with "error 17"
I also get the following error message popup (even though the disk is the one in my Time Capsule):
The disk you inserted was not readable by this computer.
The popup offers three choices: Initialize, Ignore, Eject.
My local Apple Store Genius concluded that the problem must be with the Time Capsule, so I bought a new one. That didn't fix the problem.
Time Machine Buddy messages:
Starting manual backup
Attempting to mount network destination URL: afp://Tom%[email protected]/Data
Mounted network destination at mount point: /Volumes/Data using URL: afp://Tom%[email protected]/Data
Creating disk image /Volumes/Data/TomsMac.sparsebundle
Error 60 creating backup disk image
Failed to create disk image /Volumes/Data/TomsMac.sparsebundle, status: 60
Backup failed with error: 20
Failed to eject volume /Volumes/Data (FSVolumeRefNum: -108; status: -47; dissenting pid: 0)
I did Repair Disk Permissions and Verify Disk and everything's OK.
I erased the Time Capsule using AirPort Utility and did a hard reset on the Time Capsule.
I did a re-install of Mountain Lion and that didn't fix anything.
My MacBook Pro is accessing the Time Capsule wirelessly, as it always has.
Help!

Just to be sure, we're talking about a Time Capsule -- not an AirPort Extreme connected to an external hard drive. Right?
If so, proceed as follows.
Please read this whole message before doing anything.
This procedure is a diagnostic test. It’s unlikely to solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
The purpose of this exercise is to determine whether the problem is caused by third-party system modifications that load automatically at startup or login. Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards. Boot in safe mode* and log in to the account with the problem. The instructions provided by Apple are as follows:
Be sure your Mac is shut down.
Press the power button.
Immediately after you hear the startup tone, hold the Shift key. The Shift key should be held as soon as possible after the startup tone, but not before the tone.
Release the Shift key when you see the gray Apple icon and the progress indicator (looks like a spinning gear).
*Note: If FileVault is enabled under OS X 10.7 or later, or if a firmware password is set, you can’t boot in safe mode.
Safe mode is much slower to boot and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
Test while in safe mode. Same problem(s)?
After testing, reboot as usual (i.e., not in safe mode) and verify that you still have the problem. Post the results of the test.

Time Machine won't connect over WiFi

I'm running 10.7.4 on my MacBook Pro. I have an airport extreme that I have a Western Digital 2Gb network drive connected to. I performed a full backup over the network and have had subsuquent backups work fine. Recently I have been getting the following message and I can't get Time Machine to backup any changes I have on my computer. "The backup disk image “/Volumes/TimeMachine/dave (2).sparsebundle” is already in use." If I reboot the computer and the drive, I still can't get it to backup. I am able to access the drive by selecting connect to server in the GO menu, but the Time Machine won't connect. Any suggestions? Thanks.

See C17
http://pondini.org/TM/Troubleshooting.html
But your doing something that is not supported and frankly many people find does exactly what you experience... it works well for a while and then just won't work.. you can verify the disk.. see A5 in the same post as listed. You probably need to wipe it and start again.. but this will keep happening.. The AEBS is not suitable for this task.
See http://pondini.org/TM/Airport.html
Pondini is our guru on all things Time Machine.
When he says jump, the response is how high?? Not why?

Time Machine won't see network HD anymore

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