Why do I get "Time Machine completed a verification of your backups on..."

Any idea why I keep getting 'Time Machine completed a verification of your backups on “MyBookLiveDuo”. To improve reliability, Time Machine must create a new backup for you." ? It's just started happening. Running 10.8.2 on two laptops. One is fine backing up the other keeps showing this error. Both versions of the OS are identical. Same wireless network, same Raid back-up, same tiem zone etc. Any ideas? It takes hours to wipe and start again, and really defeats the idea of Time Machine.

The disk images on which the backup data is stored are being corrupted. Backing up to a network device other than a Time Capsule or a Mac is unsupported by Apple. You're completely dependent on the device vendor if something goes wrong, and the vendor will blame Apple.
I suggest you start backing up to a locally-attached external hard drive, preferably more than one, or to a supported network device. If you don't want to do that, use a backup tool other than Time Machine.

Similar Messages

Getting this error: Time Machine completed a verification of your backups. To improve reliability, Time Machine must create a new backup for you.

I keep getting this error on my new Macbook Pro w/ Retina.
"Time Machine completed a verification of your backups. To improve reliability, Time Machine must create a new backup for you."
Connected to a wifi network and QNAP storage system. There are 5 computers on this network, and each backs up just fine. The issue is isolated to this one machine.
This error shows up every week or so.

A third-party NAS is unsuitable for use with Time Machine, especially if it's your only backup. I know this isn't the answer you want. I know Time Machine accepts the NAS as a backup destination. I know that the manufacturer says the device will work with Time Machine, and I also know that it usually seems to work. Except when you try to restore, and find that you can't.
Apple has published a specification for network devices that work with Time Machine. None of the third-party NAS vendors, as far as I know, meets that specification. They all use the incomplete, obsolete Netatalk implementation of Apple Filing Protocol.
If you want network backup, use as the destination either an Apple Time Capsule or an external storage device connected to another Mac or to an 802.11ac AirPort base station. Only the 802.11ac base stations support Time Machine, not any older model.
Otherwise, don't use Time Machine at all. There are other ways to back up, though none of them is anywhere near as efficient or as well integrated with OS X. I don't have a specific recommendation.
If you're determined to keep using the NAS with Time Machine, your only recourse for any problems that result is to the manufacturer (which will blame Apple, or you, or anyone but itself.)

I got the message: Time Machine completed a verification of your backups. To improve reliability, Time Machine must create a new backup for you. I got the message: Time Machine completed a verification of your backups. To improve reliability, Time Ma

I got the message:
Time Machine completed a verification of your backups. To improve reliability, Time Machine must create a new backup for you.
Here's what the text of the system.log says when I filter for backupd:
Jan 9 11:37:14 justin-steeds-macbook-pro com.apple.backupd[2618]: Starting standard backup
Jan 9 11:37:14 justin-steeds-macbook-pro com.apple.backupd[2618]: Network destination already mounted at: /Volumes/TimeMachine
Jan 9 11:37:33 justin-steeds-macbook-pro com.apple.backupd[2618]: Recovery backup declined by user.
Jan 9 11:37:33 justin-steeds-macbook-pro com.apple.backupd[2618]: Backup canceled.
Jan 9 11:48:20 justin-steeds-macbook-pro com.apple.backupd[2859]: Starting standard backup
Jan 9 11:48:20 justin-steeds-macbook-pro com.apple.backupd[2859]: Network destination already mounted at: /Volumes/TimeMachine
Jan 9 11:48:42 justin-steeds-macbook-pro com.apple.backupd[2859]: Recovery backup declined by user.
Jan 9 11:48:43 justin-steeds-macbook-pro com.apple.backupd[2859]: Backup canceled.
Jan 9 11:51:07 justin-steeds-macbook-pro com.apple.backupd[2917]: Starting standard backup
Jan 9 11:51:07 justin-steeds-macbook-pro com.apple.backupd[2917]: Network destination already mounted at: /Volumes/TimeMachine
Jan 9 11:51:34 justin-steeds-macbook-pro com.apple.backupd[2917]: Recovery backup declined by user.
Jan 9 11:51:34 justin-steeds-macbook-pro com.apple.backupd[2917]: Backup canceled.
Jan 9 11:53:50 justin-steeds-macbook-pro com.apple.backupd[2987]: Starting standard backup
Jan 9 11:53:50 justin-steeds-macbook-pro com.apple.backupd[2987]: Network destination already mounted at: /Volumes/TimeMachine
Jan 9 11:54:07 justin-steeds-macbook-pro com.apple.backupd[2987]: Recovery backup declined by user.
Jan 9 11:54:07 justin-steeds-macbook-pro com.apple.backupd[2987]: Backup canceled

Since this is a MacBook Pro hardware community, you might get better results by asking your question at the Time Machine forum, located within the Lion discussion group.
https://discussions.apple.com/community/mac_os/mac_os_x_v10.7_lion

Time machine completed a verification of your backups....

"Time Machine completed a verification of your backups on “Jimka Ussner's Time Capsule”. To improve reliability, Time Machine must create a new backup for you." ????
what is going on?
should i erase my time machine and start over or can my backups be saved?

See > http://pondini.org/TM/C13.html

Time Machine on a NAS - Avoiding "Time Machine completed a verification of your backups....."

I use Time Machine to wirelessly backup my MBA to a Buffalo NAS. It will work fine for weeks or months, then I will see the dreaded "Time Machine completed a verification of your backups. To improve reliability, Time Machine must create a new backup for you.” error. Of course this means I lose all my backups.
I have researched this pretty thoroughly and I know that using TM with a NAS has some risk. But I am hoping to not have to resort to dragging out a USB drive everytime (daily) I want to do a backup.
Can anyone share sucess stories of how they make TM work reliably with a NAS? Is it a Buffalo problem and a different NAS works better? I know the majority of TM users have no problems. What am I doing wrong?
Thanks.

I have a Synology 1511+ and had the same issue. Except my backups would only corrupt every month or two.
After lots of searching I found the issue is backing up over wifi to the NAS. I found the solution to this was to install a small app: Time Machine Scheduler (free).
It can be found here: http://www.klieme.com/TimeMachineScheduler.html
All you need to do is install, and set backups only to run over Ethernet. Works great for me as I use my mac 50/50 between my workstation and wirelessly around the house. Haven't had an issue since.

Time Machine completed a verification of your backups. To improve reliability, Time Machine must create a new backup for you.

I just wanted to collect all my messages since oct 16th. under one roof. I have spent too much time with this problem already, will NOT edit this the way I should. It REALLY bugs me that Apple doesn't acknowlege it - would make life easier knowing that they are working on it.
I have the same problem. It all started around Oct. 13th when my old 13'' MacBook was doing it's last backup just before I got my current 15'' Pro. It was running up-to-date SnowLeopard, and have 1TB TimeCapsule (1st generation).
Now I have had this same problem every two weeks running Lion in my new MBP.
This does not seems to be just Lion-related, or because of lack of space - my HD was 320MB, now 750MB (350MB used).
TM will erase the disk in this particular case, and you will loose all the data history!!!
You should make a backup with CCC or similar on a separate disk to be on safe side.
I think that there will be a fix for this problem, we are not the only ones complaning.
After more research I ended up with two options: either the TC HD is at the end of it's 4 year life OR Lion TM settings > options > lock documents 2 weeks after last edit is somehow behind this problem. I unchecked this setting and will see after two weeks...
Meanwhile, fingers crossed.
SAME BIG PROBLEMS HERE TOO. JUST GOT A NEW 2TB TC bacause thought that my 4y. old 1st gen is kaput - but the problem returned just after 5 days of usage. And the newest airport firmware update did not help the situation at all...
Disk Utility verified TC disk OK, new MBP running Lion disk ok as well.
Tried about everything with my old MB with SnowLeopard.
I mean I have tried really everything since the problem occurred mid-september - new MBP, new OSX (Lion this time), new TC THIS WEEK, started fresh from the very beginning but the problem still exists.
I have no other software in my mac but from Mac App Store + Nikon + Adobe.
A virus? Others have it too?
Studied all day today and tried many options including ethernet / wireless settings (FYI: found out also that in Airport Utility alt-key brings the missin options in setting up wireless- and radio modes - confusing since no mention of this in the manuals).
There is a firmware/OSX - problem and it bugs me that Apple doesn't acknowlege it - would make life easier knowing that they are working on it.
Too many people are having these problems, and also I lost a couple of days of work while solving this on my own.
Here we are solving this mess as well. My 1st gen TimeCapsule began to work odd two months ago, needed to do fresh backups every week or two. Finally got a new one this week. Seemed to work fine first, but today a complete stop with my network. Problems occured not immediately after the firmware 7.6 update though. Seems that my iWork backups are a bit of a mess too since Pages keeps showing an unwanted photo in a written article after deleteting it from there...
I have my new TC 2TB as a base station downstairs + express extending to upstairs study + express joining for AirTunes (+ the old TC to play with). Lion and Airport Utility up-to-date.
Got also new MBP two months ago.
First thought that Lion is the problem, then that old TC is the problem - seems like APPLE is the problem...
BTW - DID YOU KNOW THAT YOU NEED TO HIT ALT-KEY TO SEE ALL OPTIONS FOR WIRELESS MODE AND RADIO MODE??? AND THAT SOMETIMES IPHONE AIRPORT UTILITY SHOWS THOSE OPTIONS, SOMETIMES NOT... sort of hard to figure that out without a mention in the instructions...

Unfortunately, the message pretty much says it all.
What it does not tell you is that your Time Machine backups are corrupted and Time Machine cannot repair them, so it wants to delete your entire backup file and start with a new one.
I'm afraid that AppleCare will tell you the same thing, but it's worth checking with them to see if there are any new developments in this regard for this puzzling issue which affects a small percentage of users.
Please post back on your findings if you pickup some additional useful information when you speak to Apple.

I got the message: Time Machine completed a verification of your backups. To improve reliability, Time Machine must create a new backup for you.

Here's what the text of the system.log says when I filter for backupd:
Jan 9 11:37:14 justin-steeds-macbook-pro com.apple.backupd[2618]: Starting standard backup
Jan 9 11:37:14 justin-steeds-macbook-pro com.apple.backupd[2618]: Network destination already mounted at: /Volumes/TimeMachine
Jan 9 11:37:33 justin-steeds-macbook-pro com.apple.backupd[2618]: Recovery backup declined by user.
Jan 9 11:37:33 justin-steeds-macbook-pro com.apple.backupd[2618]: Backup canceled.
Jan 9 11:48:20 justin-steeds-macbook-pro com.apple.backupd[2859]: Starting standard backup
Jan 9 11:48:20 justin-steeds-macbook-pro com.apple.backupd[2859]: Network destination already mounted at: /Volumes/TimeMachine
Jan 9 11:48:42 justin-steeds-macbook-pro com.apple.backupd[2859]: Recovery backup declined by user.
Jan 9 11:48:43 justin-steeds-macbook-pro com.apple.backupd[2859]: Backup canceled.
Jan 9 11:51:07 justin-steeds-macbook-pro com.apple.backupd[2917]: Starting standard backup
Jan 9 11:51:07 justin-steeds-macbook-pro com.apple.backupd[2917]: Network destination already mounted at: /Volumes/TimeMachine
Jan 9 11:51:34 justin-steeds-macbook-pro com.apple.backupd[2917]: Recovery backup declined by user.
Jan 9 11:51:34 justin-steeds-macbook-pro com.apple.backupd[2917]: Backup canceled.
Jan 9 11:53:50 justin-steeds-macbook-pro com.apple.backupd[2987]: Starting standard backup
Jan 9 11:53:50 justin-steeds-macbook-pro com.apple.backupd[2987]: Network destination already mounted at: /Volumes/TimeMachine
Jan 9 11:54:07 justin-steeds-macbook-pro com.apple.backupd[2987]: Recovery backup declined by user.
Jan 9 11:54:07 justin-steeds-macbook-pro com.apple.backupd[2987]: Backup canceled

Since this is a MacBook Pro hardware community, you might get better results by asking your question at the Time Machine forum, located within the Lion discussion group.
https://discussions.apple.com/community/mac_os/mac_os_x_v10.7_lion

Time Machine completed a verification... must create new backup??

I just saw a notice on my headless MacMini that "Time Machine completed a verification of your backups. To improve reliability, Time Machine must create a new backup for you. Click Start New Backup to create a new backup. This will remove your existing backup history. Click "Backup Later" to be reminded tomorrow.
That sounds ominously like it should have said "Time machine encountered an error, and you're going to lose all your history when I start a new backup for you, but you really have no choice other than to delay the pain for a day".
This is a relatively new 2Tb capsule, model A1409, from 9/7/11, which is backing up a Mac Mini (new as of April) and a new MacBook Pro (as of May).
Is there any way not to lose that backup history? Any way to debug what happened so I can take steps to make sure it doesn't happen again?
Thanks!
Steve

Bob,
After re-reading my initial reply, please do NOT think I was saying that "you" didn't answer my question about what happened.
I was trying to imply that sunspots and cosmic rays are indeed sometimes part of our life in IT, and that I was just going to "accept it, lose my history, and go on".
I do truly appreciate help, and would have hated to have you think that was directed "at" your reply...
Steve

How does one get Time Machine out of a "Preparing to Backup" loop to actually doing a backup? thanks, AR

How does one get Time Machine out of a "Preparing to Backup" loop to actually doing a backup? thanks, AR

Hi..
Thanks for the reply..
My original I Phone 5 was running IOS 6.12
My I phone 5S currently runs IOS 8..When I upgraded it, it had IOS 7 on it which made the I Photo app compatible with everything below IOS 8...( which the photo app is not compatible with ) so I just connected the I Phone 5S to my computer and thinking the new phone had IOS 7 on it that these was nothing to worry about..I thought all 900 + pictures in the photo stream would transfer but somewhere in the process, I Tunes decides to just go and install IOS 8 which requires that you run a " Photo Migration App" to transfer photos from IOS 7 & below. The problem was is that I didn't want IOS 8 on my new 5S so I thought I wouldn't have to do that part..
Anyway the phone emerged with IOS 8 on it and the only photos that remained were the ones that were actually on the phone..The 900 + I had in the stream didn't transfer because the Photos that works on IOS 7 and below isn't compatible with IOS 8..I guess you have to use the photo migration app that comes with IOS 8 & I phone 6..But I didn't ask to upgrade to IOS 8...It just did it on it's own!
I still have the I Phone 5 Back up that I did just before giving it back to Verizon but if I try to restore the I Phone 5S running IOS 8 those photos in the stream will not go back on the phone because IOS 8 isn't compatible with the I Photos" that ran on IOS 7 and below..
So I have an I Pad mini that runs IOS 7..should I try and erase it...and put that I Phone 5 backup on it and pray the photos that were in the stream come back on it so I can transfer them back to my computer...then erase the I pad mini again and restore it using it's original backup that I have on the computer and the in the cloud?
I know this sounds confusing but I'm at a loss as to what to do..This is what I found ...http://support.apple.com/en-us/HT201386
but it doesn't help me..
Steve

Time machine will not keep a constant backup...

Time will start a new complete backup every week or two. No long term back up...
This is the message I get;
"Time machine completed a verification of your backup on "GoFlexHome". To improve reliability, Time Machine must create a new backup for you"
Does anyone have any idea why....?

Start with C13 in the 1st linked article.
Time Machine Troubleshooting
Time Machine Troubleshooting Problems

Time machine always propose a new fresh backup

Hi all,
I am running an iMac 21.5" Late 2012, with an Intel Core i5 at 2,7 GHz, 8Gb RAM. I have recently (some months) moved from Mavericks to Yosemite (by the way, experimenting a general slow down is the system, I have brought my mac to an Apple Store and, after their checks, they told me that the computer i perfectly fine...) and since then I am having problems with Time Machine backups. After the first backup, time machine correctly performs following backups for a while and then (say, generally after a couple of days of seemingly correct functioning) asks me for a fresh backup as the verification of the actual backup seems to be not not reliable enough.
Technically, the message I get is the following:
Time Machine completed a verification of your backups. To improve reliability, Time Machine must create a new backup for you.
What I can't really understand is why is this happening so frequently... It is quite boring to have my machine backing-up a large amount of data (I have a 1TB HDD connected to an Airport Extreme, to which my mac connects via wi-fi) almost every two days...
Let me just add that I was NOT having such problems when running Mavericks on the very same iMac...
Is there any reported problem of this kind? What does it depend from? Is there any possible solution to this?
Any help would be very welcome!
Thanx, best regards
Stefano

Start with C13 in the 1st linked article.
Time Machine Troubleshooting
Time Machine Troubleshooting Problems

HT201250 How do I get Time Machine to resume backing up?

Time Machine is supposed to delete old backups automatically when it is full to make room for new back ups.
After years of use it suddenly is giving me the message that it can't complete a backup.
It lists the "Details" as follows"
"Time Machine couldn't complete the backup to "Time Machine Backups"
The backup disk needs 114.76 GB for the backup but only 103.95 GB are available.
Select a larger backup disk or make the backup smaller by excluding files."
I do not wish to select a larger disk or exclude files.
How do get it to resume deleting old backups to make room for new?

I've got the same issue as OP, but I haven't backed up more than one volume.
My last successful backup was from 2 weeks ago, before going on vacation (I didn't take my Time Machine drive with me). When I look in Time Machine, I can see a number of backups from the intervening days, when my TM drive wasn't connected, and I can't see any of my backups from before the last successful backup.
When I came home from vacation, I connected my TM drive and Time Machine ran on schedule.
I don't know why the system thinks it was making Time Machine backups when the drive wasn't connected, but it seems to have decided these backups were made using a new volume. I'm going to look for troubleshooting options that will allow me to delete this erroneous thread of backups and hopefully force Time Machine to recognize the original volume.
Any other bits of advice would be appreciated. This appears to be the (secondary) result of a bug.

How to get Time Machine to "find" the correct network location

I have a Time Capsule set up to work wirelessly with my Macbook Air. I set it up as an additional network. This network is used for backups to Time Capsule only. It does not have any connection to my existing home network that I use for internet access, printing, etc. Is there a way to make my Mac switch to the correct network when Time Machine is trying to start a backup? Right now, I have to manually select the network in Airport locations. When I want to use the internet, or print to a network printer, I have to manually switch back to the main network. That defeats the purpose of Time Machine's automatic backup capability. I was not able to get TM working when TC was set up on my main network; that's why I had to set up a separate network connection.

Leopard just arrived this morning for me, but I haven't yet had a chance to install it. Is this to say that by default, Leopard ignores any drives that aren't directly attached to your Mac? I don't mind having to do your suggested work around, it just kind of annoys me that Apple would so blatantly ignore the needs of mobile users. My MacBook is not tethered to an external hard drive all hours of the day. But it is on my wireless network any time it is awake. Hence, network drives (in my case AirPort Disk) make sense for me.

I cannot get time machine (with airport) to back up my mac. It worked previously but not now. It is working on my macbook. the message i get is "Time Machine couldn't back up to '(airport network name)'"

I cannot get time machine (with airport) to back up my mac. It worked previously but not now. It is working on my macbook. the message i get is "Time Machine couldn't back up to '(airport network name)'" Any help is appreciated.

OS is important.. What OS is on Mac and what is on the working macbook?
Was the Airport setup from the Macbook? That might be why it works from there..
Does the AE show up in Mac airport utility?
Can you mount the disk in finder and copy files to it/from it??
Did you try a TM reset after mounting in Finder.. so you know it is available?
What about a network reboot.. does it work post a restart for a few minutes/hours/days???

Having trouble getting Time Machine to back up my external hard drive. Any suggestions?

I'm running Mountain Lion on my iMac and I've been using Time Machine to back it up to my Time Capsule. Recently, the iMac's hard drive filled up, so I moved my iTunes library to a new Airport Time Capsule. But I can't seem to get Time Machine to include the new Airport Time Capsule in its back up.
The only suggestion I can find is to make sure it's not excluded in the Time Machine options, and I can see that nothing is excluded. However, when I go into Time Machine, the Airport Time Capsule is greyed out in the Finder window.
Anyone have any ideas? Thanks in advance, I'm a little nervous about having my iTunes library hanging out there without a back up...

Linc Davis wrote:
You can't back up the internal drive of the Time Capsule with Time Machine. It will only back up locally attached storage devices, not network devices. There's no way around it. You may be able to back up the TC with third-party software such as "Carbon Copy Cloner," but it will be very slow. The internal drive of the TC is only suitable for use as a backup device. It's not suited for storing original data.
yeah well you can use the external hard drive as a data extension to the time capsule internal hard drive. like a RAID in effect...

Why do I get "Time Machine completed a verification of your backups on..."

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