HT204406: Get help with iTunes Match

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Q: iTunes Match Sync keeps restarting before songs are uploaded to cloud.

I've been trying for a few days to complete the iTunes Match process but every time I get to "Step 3" and my songs that are not available in iTunes start to get uploaded into the cloud, the process starts over again.  Any advice?

Posted on Aug 18, 2012 2:23 PM

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Q: iTunes Match Sync keeps restarting before songs are uploaded to cloud.

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  • by JoeScripter,

    JoeScripter JoeScripter Sep 28, 2013 11:16 AM in response to tvlaberge
    Level 1 (0 points)
    Sep 28, 2013 11:16 AM in response to tvlaberge

    I'm on Comcast, and the upload speed must've been the problem for me, too. Using Entonnoir and throttling all those ports to 100 fixed the problem.

    Thanks y'all.

  • by Yannick Rendu,

    Yannick Rendu Yannick Rendu Oct 4, 2013 8:42 AM in response to tvlaberge
    Level 1 (5 points)
    Oct 4, 2013 8:42 AM in response to tvlaberge

    Another choice I didn't see in this post is to limit your bandwidth using Apple's Network Link Conditioner found on the developer site: https://developer.apple.com/downloads/index.action?q=Network%20Link%20Conditione r

    I trust it a bit more as it's by Apple. (I wish the other guys would all sign their apps!)

    Make a custom profile and set everything to 0, then set uplink bandwidth to a small amount below your known upload speed (use speedtest.net a few times a day to get an idea of what that is). Once you've got this all set up you can pretty safely leave it enabled for an extended period of time.

    Good luck everyone and thanks for the tips!

  • by Mike Stitzer,

    Mike Stitzer Mike Stitzer Oct 6, 2013 4:11 PM in response to tvlaberge
    Level 1 (55 points)
    Oct 6, 2013 4:11 PM in response to tvlaberge

    I just wasted a MONTH with AppleCare senior support and an iTunes Engineer trying to fix this. They told me it was a "local problem" with iTunes. Even though it happened on 2 Macs using 2 different ISPs, with my normal iTunes library or a brand new empty one, in a normal user account, a new user account, or a fresh install of OS X, on 3 different versions of OS X, and 4 different versions of iTunes! I went through a bunch of steps that did nothing but waste my time (and some that led to data loss!).

     

    Entonnier set to limit https (port 443) to less than my maximum upload bandwidth solved the problem in a few minutes.

     

    Everyone running into this should file a bug at bugreporter.apple.com. The more duplicates the more like they will fix it! Mine is #15162086.

  • by AlexFromMountainView,

    AlexFromMountainView AlexFromMountainView Oct 6, 2013 9:01 PM in response to Mike Stitzer
    Level 1 (0 points)
    Oct 6, 2013 9:01 PM in response to Mike Stitzer

    MIke,

     

    I don't think Apple can fix this --- at least in my case, it's clearly the fault of the ISP and/or the intermediate backbone network providers that the my traffic passes through.  Of course, it wouldn't hurt if Apple put their lobbying power behing Network Neutrality, which was meant to prevent these kinds of shenanigans...

  • by Mike Stitzer,

    Mike Stitzer Mike Stitzer Oct 6, 2013 9:08 PM in response to AlexFromMountainView
    Level 1 (55 points)
    Oct 6, 2013 9:08 PM in response to AlexFromMountainView

    I don't know. My ISP didn't change, but the behavior did in late August. iTunes Match suddenly stopped working, and wouldn't work again until I limited my upload bandwidth on https. I have tons of other network-related apps, some of which can also really stress my upload bandwidth for minutes or hours on end (think Plex streaming a HD movie to my iPad over the Internet, or using FTP or SMB to move large files around for my work), which have never had this issue.

     

    I'm much more inclined to think that iTunes is just programmed poorly and sending malformed packets or otherwise behaving in a way that most ISPs pick up as malicious behavior. At the very least, Apple could simply build in a setting in iTunes:Preferences:Advanced to let users cap the bandwidth iTunes uses. Then I wouldn't have to limit https performance globally when only iTunes is misbehaving.

  • by BFApps,

    BFApps BFApps Oct 6, 2013 10:31 PM in response to tvlaberge
    Level 1 (0 points)
    Oct 6, 2013 10:31 PM in response to tvlaberge

    Any updates???  I have 10,000+ songs.  It starts to upload and then iTunes crashes.  Makes iTunes unusable.  I turned off iTunes Match and iTunes worked fine (other than finding a bunch of duplicate songs in my library I had to manate).  Turning it back in still results in crashes during the upload process.  Help!!

  • by MRYFLYGUY,

    MRYFLYGUY MRYFLYGUY Oct 7, 2013 5:23 PM in response to Phil Marinucci1
    Level 1 (8 points)
    Servers Enterprise
    Oct 7, 2013 5:23 PM in response to Phil Marinucci1

    This appears to have done it for me, thanks Phil. On 6 of 850.

    Has anyone played wiith the speed to see how much it will take before crashing?

  • by Scott Brewer,

    Scott Brewer Scott Brewer Oct 7, 2013 8:14 PM in response to MRYFLYGUY
    Level 1 (0 points)
    Oct 7, 2013 8:14 PM in response to MRYFLYGUY

    Since my Comcast service is supposed to have an upload speed up 1250 kB/s, I set Entonnoir to 1248 and it worked fine. So I guess you just have to keep it at or below whatever the ISP says your upload speed is.

  • by MRYFLYGUY,

    MRYFLYGUY MRYFLYGUY Oct 8, 2013 8:22 AM in response to tvlaberge
    Level 1 (8 points)
    Servers Enterprise
    Oct 8, 2013 8:22 AM in response to tvlaberge

    I'm consistently getting 29 Mb/s download/6 Mbps upload on Comcast Performance internet so I'm going to continue playing with the speed on port 5223. This forum is the best. Thanks again!    

  • by jlschweiger,

    jlschweiger jlschweiger Oct 10, 2013 6:21 PM in response to Phil Marinucci1
    Level 1 (0 points)
    Oct 10, 2013 6:21 PM in response to Phil Marinucci1

    I'm having difficluty getting Entonnoir to accept the 42000-42999 port setting. Gives me "port too long" error. Is there a trick to this I'm missing? I could enter the other ports & the 8000 range without problem.

  • by ecjlajoie,

    ecjlajoie ecjlajoie Oct 23, 2013 9:38 AM in response to CMJaycee
    Level 1 (0 points)
    Oct 23, 2013 9:38 AM in response to CMJaycee

    This is exaclty what mine is doing at the moment... What internet provider do you have?

    It's getting frustrating to use my phone to put my songs in the cloud.

    Can someone help?

  • by Mike Stitzer,

    Mike Stitzer Mike Stitzer Oct 28, 2013 1:57 PM in response to tvlaberge
    Level 1 (55 points)
    Oct 28, 2013 1:57 PM in response to tvlaberge

    iTunes 11.1.2 and OS X 10.9 seems to have sorted out the issue here. No Entonnoir use in 10.9 and iTunes Match has been working just fine for a week. Of course, Mavericks has the disaster of iBooks and the new neutered version of iWork to deal with (although thankfully iWork '09 will keep on working too). Two steps forward, one step back...

  • by NerdBoy ,

    NerdBoy NerdBoy Nov 15, 2013 1:22 PM in response to tvlaberge
    Level 1 (0 points)
    Nov 15, 2013 1:22 PM in response to tvlaberge

    I signed up for iTunes Match last year and all year I was not able to upload anything to iCoud because of that same issue. It would stop and restart when it gets to step 3. When I spoke with Apple Support they advised me that it could be my internet provider. I don't exactly know how that can be the issue? If I can upload anything to any other service with no problem why do I all of a sudden have a problem with Apple? Needless to say they didn't refund me my money. I pretty much gave them $24. I really want this service, but I want to know if its going to work. If someone finds a sure fix, please let me know!!

  • by Brian Hartmann,

    Brian Hartmann Brian Hartmann Nov 15, 2013 2:08 PM in response to NerdBoy
    Level 1 (5 points)
    Nov 15, 2013 2:08 PM in response to NerdBoy

    Hi Nerd Boy,

     

    This doesn't seem to be an issue anymore after Mavericks. Have you tried updating yet?

  • by AlexFromMountainView,

    AlexFromMountainView AlexFromMountainView Nov 17, 2013 8:38 AM in response to NerdBoy
    Level 1 (0 points)
    Nov 17, 2013 8:38 AM in response to NerdBoy

    NerdBoy: it is possible that your internet provider (or not even they, but one of their providers further downstream) engages in throttling certain types of traffic. It's vaguely plausible that limiting bandwidth on your side, or introducing fake dropped packets (possible via the Mac's Network Link Conditioner utility) confuses the ISP's filters enough that they stop throttling your traffic.  It's certainly hard to imagine that Apple's own servers would reject the upload traffic in "unadulterated" form, but accept it when it's reduced by a mere 1%; that makes no business sense at all.

    But whatever the explanation, yes, the original suggestion in this thread of using various means of limiting traffic at your end has consistenyl worked for me.  FWIW.  I have not yet tested whether, as the previous poster suggested, Mavericks has maybe introduced some other workaround for this problem.

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