Sync issues with iCal on iPhone/iMac

I have recently picked up an iPhone 5, running iOS 6.1. I also run an iMac (circa late 2008) which is running Snow Leopard, so no iCloud integration. I am trying to sync the iCal's on both devices, and I am seeing the following behavior: If I create an event on my iPhone, and then "Sync" manually using iTunes, then the new event appears on my iMac, but not the other way around, i.e. I tend to use my iMac as the Master calendar, so I would like to create an event on my iMac, and then have it appear on my iPhone when I "Sync", but I can't seem to make this happen. So, the Sync behavior seems unidirectional, from the iPhone to the iMac only, but not the other way around.
I have selected the "Sync this phone with Wi-Fi" option on the iPhone->Summary tab and the "Sync Calendars" option on the iPhone->Info tab in iTunes.
Does anyone know how to make the iCal sync-ing be bi-directional (or barring that, uni-directional the "other" way) ?
Thanks in advance.

And it looks like I've just answered my own question!!
Just found this post online, followed all the steps, rebooted, sign out then signed back in to MobileMe, re-registered the laptop and Bob's-your-uncle.
So if anyone needs help, just follow these easy steps....
The report shows that you have some data corruption. You should be able to resolve this by resetting Sync Services:
* Open iSync (in /Applications)
* Go to preferences
* Click Reset Sync History
* Try syncing again
If that fails to resolve the issue, try replacing the database:
* If you haven't done so lately, make a backup of your iCal calendars (iCal File menu > Back up iCal)
* Quit out of all open programs
* Make sure that nothing is syncing (Spanning Sync, .Mac, iSync)
* Move these two folders to the trash:
~/Library/Application Support/SyncServices (~ refers to your home directory)
~Library/Application Support/iSync/SyncLocalCopy (~ refers to your home directory)
* Restart
* Open iCal and give it a few minutes to write out the new database
Please let us know if that doesn't address the problem or you have other questions.
That didn't work in my case, so I ran another report (contained within the Spanning Sync Application) and sent it to them a second time. What they suggested next fixed the problem for me.
I'm still seeing the same errors in the new report. Lets try clearing your calendar cache:
* Quit out of iCal if it's open
* Delete this file:
~/Library/Calendars/Calendar Cache
(~ refers to your home directory.)
* Delete the contents of this folder:
~/Library/Calendars/Calendar Sync Changes/
(~ refers to your home directory.)
* Open iCal
* Wait at least five minutes until after it finishes "Upgrading Calendars"
* Sync!

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Can anyone point me to a discussion group which can address the sync issues I am having with my iphone since upgrading itunes and iphone last night on my windows PC.
Most discssions threads are mac orientated and as a result I rarely get a response to my issues!
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Message was edited by: mjvb1

ranklam,
Welcome to Apple Discussions.
Troubleshooting .Mac syncing issues, should be helpful.
Just follow the steps listed under: General troubleshooting steps.
Before you do anything, make sure that you use iCal>File>Back up iCal...
Good Luck.
;~)

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Seems like I've come across something rather sticky....
History
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Cheers

And it looks like I've just answered my own question!!
Just found this post online, followed all the steps, rebooted, sign out then signed back in to MobileMe, re-registered the laptop and Bob's-your-uncle.
So if anyone needs help, just follow these easy steps....
The report shows that you have some data corruption. You should be able to resolve this by resetting Sync Services:
* Open iSync (in /Applications)
* Go to preferences
* Click Reset Sync History
* Try syncing again
If that fails to resolve the issue, try replacing the database:
* If you haven't done so lately, make a backup of your iCal calendars (iCal File menu > Back up iCal)
* Quit out of all open programs
* Make sure that nothing is syncing (Spanning Sync, .Mac, iSync)
* Move these two folders to the trash:
~/Library/Application Support/SyncServices (~ refers to your home directory)
~Library/Application Support/iSync/SyncLocalCopy (~ refers to your home directory)
* Restart
* Open iCal and give it a few minutes to write out the new database
Please let us know if that doesn't address the problem or you have other questions.
That didn't work in my case, so I ran another report (contained within the Spanning Sync Application) and sent it to them a second time. What they suggested next fixed the problem for me.
I'm still seeing the same errors in the new report. Lets try clearing your calendar cache:
* Quit out of iCal if it's open
* Delete this file:
~/Library/Calendars/Calendar Cache
(~ refers to your home directory.)
* Delete the contents of this folder:
~/Library/Calendars/Calendar Sync Changes/
(~ refers to your home directory.)
* Open iCal
* Wait at least five minutes until after it finishes "Upgrading Calendars"
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As an IT consultant, i'm in agreement with Mr Utts.    The promise of "it just works" died with Steve Jobs.   Mac OS has been in freefall since 10.5 .    I need a fully functional OS, not an iPad on my desk. ( this means YOU Forstall !! )
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Hi,
Just wanted to updated my original post and give some more information on this issue that I'm having with my iOS devices running iOS 8.0.2 and iTunes 11.4.
Firstly I just want to updated my details about what version of Mavericks I'm running. I'm running 10.9.5 - I put the wrong version down in my original post.
So over the last week, I have had a few phone calls with Apple Care an am dealing with a senior technical advisor about this issue.
I have been given some instructions that I am currently working through to see if it solves the sync issue with iTunes and my iOS devices.
The Apple Care advisor has pointed out that a iTunes version issue with music that I have ripped to iTunes and the current iTunes version could be what is causing the problem. For example, every song that I have purchased from iTunes since having an account, I was told are all exactly the same the same when it comes down the to data/information about that track/album that iTunes stores with the music but when it comes to music that I have added to iTunes myself from a CD, this was added and encoded with the version of iTunes that was running at the time of adding the music. So going through all the music that I added to iTunes over the last 10 years, you can imaging that there was lots of mixed version of iTunes linked to lots of different music.
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Sync issues with iCal on iPhone/iMac

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