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User profile for user: FalakShah
FalakShah Author
User level: Level 1
0 points

The iPhone "..." could not be synced because the sync session failed to start

I am trying to sync my iPhone 4 with iTunes and I receive this "The iPhone 'XYZ's iPhone' could not be synced because the sync session failed to start." I have synced this phone many times in the past without any issues and this error just started to occur. I have done all the usual: reset my phone settings, restarted my computer etc. Does anyone have any suggestion as to what I could do?

iPhone 4, Mac OS X (10.6.7), Mac OS X (10.6.8)

Posted on Jun 24, 2011 8:32 PM

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242 replies
User profile for user: dylankhoolim
dylankhoolim
User level: Level 1
0 points

Aug 19, 2014 10:11 PM in response to zsungi

I've tried about everything I can find on the internet and I still can't sync my MSoutlook 2013 to my iPhone. My PC crashed and I had to resintall most of my software including MS Outlook 2013 and iTunes. Prior to the reinstall, I could not synch iPhone to my MS outlook 2013 without any problems.


I think the problem may be at the stage when iTune and MS outlook tries to communicate.

ITunes unchecks the "sych contacts oulook" and "sycn calendar with oulook" buttons when the synch button is pressed.


This is what I am running: Windows 8.1, IOS 7.1.2, iTunes 11.3.1.2, Ms Outlook 2013 locally installed on my laptop


This is what I've done. The "-" is the result.


  1. Run as administrator -done. Didn’t work
  2. Msoutlook addins -All modules enabled and installed.
    1. itune outlook addin
    2. outlook change notifier
  3. ran scanpst.exe. -Seems okay. Didn’t work
  4. Stop zonealarm -didn’t work
  5. Check read write access right. -Seems Okay. Didn’t work
    1. C:\Users\USER\AppData
    2. C:\Users\USER\AppData\Roaming
    3. C:\Users\USER\AppData\Roaming\Apple
      Computer\SyncServices\Local\TFSM
  6. Run network connectivity test on iTunes (under Help menu).

    Test results



Microsoft Windows 8 x64 Home Premium Edition (Build 9200)

LENOVO 20301

iTunes 11.3.1.2

QuickTime 7.7.5

FairPlay 2.6.15

Apple Application Support 3.0.6

iPod Updater Library 11.1f5

CD Driver 2.2.3.0

CD Driver DLL 2.1.3.1

Apple Mobile Device 7.1.2.6

Apple Mobile Device Driver 1.64.0.0

Bonjour 3.0.0.10 (333.10)

Gracenote SDK 1.9.6.502

Gracenote MusicID 1.9.6.115

Gracenote Submit 1.9.6.143

Gracenote DSP 1.9.6.45


iTunes Serial Number 009CBDF80F31C348


Current user is an administrator.

The current local date and time is 2014-08-20 12:45:36.

iTunes is not running in safe mode.

WebKit accelerated compositing is enabled.

HDCP is supported.

Core Media is supported.



**** External Plug-ins Information ****


No external plug-ins installed.


**** Network Connectivity Tests ****


Network Adapter Information


Adapter Name: {EAB7F8D5-F451-4247-9A0F-11D63935D415}

Description: Bluetooth
Device (Personal Area Network)

IP Address: 0.0.0.0

Subnet Mask: 0.0.0.0

Default Gateway: 0.0.0.0

DHCP Enabled: Yes

DHCP Server:

Lease Obtained: Thu Jan 01
08:00:00 1970


Lease Expires: Thu Jan 01
08:00:00 1970


DNS Servers:


Adapter Name: {7C2B2323-F990-4CC0-865A-B4ABFBE85F5F}

Description: Microsoft
Wi-Fi Direct Virtual Adapter

IP Address: 0.0.0.0

Subnet Mask: 0.0.0.0

Default Gateway: 0.0.0.0

DHCP Enabled: Yes

DHCP Server:

Lease Obtained: Thu Jan 01
08:00:00 1970


Lease Expires: Thu Jan 01
08:00:00 1970


DNS Servers:


Adapter Name: {1320363A-440A-4CA8-83BC-A715A67C424A}

Description: Qualcomm
Atheros AR9485WB-EG Wireless Network Adapter

IP Address: 192.168.1.2

Subnet Mask: 255.255.255.0

Default Gateway: 192.168.1.254

DHCP Enabled: Yes

DHCP Server: 192.168.1.254

Lease Obtained: Wed Aug 20
11:34:44 2014


Lease Expires: Wed Aug 20
15:34:44 2014


DNS Servers: 192.168.1.254


Adapter Name: {5DC5D909-9F8C-40BE-9C00-24436F016B9F}

Description: Realtek
PCIe FE Family Controller

IP Address: 0.0.0.0

Subnet Mask: 0.0.0.0

Default Gateway: 192.168.1.254

DHCP Enabled: Yes

DHCP Server:

Lease Obtained: Thu Jan 01
08:00:00 1970


Lease Expires: Thu Jan 01
08:00:00 1970


DNS Servers:


Active Connection: LAN Connection

Connected: Yes

Online: Yes

Using Modem: No

Using LAN: Yes

Using Proxy: No


Firewall Information


Windows Firewall is off.


Connection attempt to Apple web site was successful.

Connection attempt to browsing iTunes Store was successful.

Connection attempt to purchasing from iTunes Store was successful.

Connection attempt to iPhone activation server was successful.

Connection attempt to firmware update server was unsuccessful.

The network connection timed out.

Connection attempt to Gracenote server was successful.

Last successful iTunes Store access was 2014-08-20 08:07:39.



**** Device Connectivity Tests ****


iPodService 11.3.1.2 (x64) is currently running.

iTunesHelper 11.3.1.2 is currently running.

Apple Mobile Device service 3.3.0.0 is currently running.


No Universal Serial Bus Controller found.


No FireWire (IEEE 1394) Host Controller found.


Connected Device Information:


Ann's iPhone, iPhone 5 (CDMA) running firmware version 7.1.2

Serial Number: C38K9S2NDTWG



**** Device Sync Tests ****


Sync tests completed successfully.






  1. Deleted lockdown folder -Didn’t work
  2. Deleted -Didn’t work
    1. C:\Users\USER\AppData\Roaming\Apple
      Computer\Logs\MobileSync
    2. C:\Users\USER\AppData\Roaming\Apple
      Computer\MobileSync
  3. Uninstall in the following order: -Didn’t work
    1. iTunes
    2. Apple Software Update
    3. Apple Mobile Device Support
    4. iCloud
    5. Bonjour
    6. Apple Application Support
  4. Reset Iphone to factory setting -Didn’t work
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The iPhone "..." could not be synced because the sync session failed to start

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