Suddenly, can't sync PDA

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You can use the BlackBerry Desktop Manager to synchronize your organizer data
(calendar entries, contacts, tasks, notes, and memos) between your BlackBerry smartphone and your Mac computer.
In order to synchronize with Microsoft® Entourage, Apple® Sync Services functionality must be turned on in the
Microsoft Entourage application. To accomplish this, complete the following steps:-
note:-Back up information and data before changing any settings on your Mac computer.
1) If the BlackBerry smartphone is connected to the Mac computer, use the Eject option to remove the BlackBerry
smartphone from the Mac computer.
2) Close the BlackBerry Desktop Manager.
3) Open Microsoft Entourage.
4) On the Microsoft Entourage menu bar, go to Entourage > Preferences.
5)Within General Preferences, click Sync Services.
To turn on contact list synchronization, select the Synchronize contacts with Address Book and MobileMe check box
To turn on calendar synchronization, select the Synchronize events and tasks with iCal and MobileMe check box
note:- When Sync Services has been enabled and the OK button is selected, a new dialog window appears with the following choices:

1)Replace Entourage items with Sync Services items.
2)Replace Sync Services items with Entourage items.
3)Merge Entourage items with Sync Services items.
For Additional Information:-
Before the BlackBerry smartphone data is synchronized with the Mac computer, verify that Sync Services is turned
on in the Mac OS X iSync application. This is done by completing the following steps:
1)Open Applications on the Mac computer and click iSync.
2)In the iSync menu, click Preferences.
3)If necessary, select the Enable syncing on this computer check box.

Back up information and data before changing any settings on your Mac computer:-

1. If the BlackBerry smartphone is connected to the Mac computer, use the Eject option to remove the BlackBerry smartphone from the Mac computer.
2. Close the BlackBerry Desktop Manager.
3. Open Microsoft Entourage.
4. On the Microsoft Entourage menu bar, go to Entourage > Preferences.
5. Within General Preferences, click synchronize Services.

NOTE:-
1) To turn on contact list synchronization, select the Synchronize contacts with Address Book and MobileMe check box
2) To turn on calendar synchronization, select the Synchronize events and tasks with iCal and MobileMe check box.

NOTE:- When synchronize Services has been enabled and the OK button is selected, a new dialog window appears with the following choices.

1. Replace Entourage items with synchronize Services items
2. Replace synchronize Services items with Entourage items
3. Merge Entourage items with synchronize Services items

Before the BlackBerry smartphone data is synchronized with the Mac computer, verify that synchronize Services is turned on in the Mac OS X isynchronize application. This is done by completing the following steps:

1. Open Applications on the Mac computer and click isynchronize .
2. In the isynchronize menu, click Preferences.
3. If necessary, select the Enable synchronize on this computer check box.

Remove the Activesync software...reinstall it.
Thats the best and fastest suggestion I can give you.
I have the same problem off and on.

got start> programs > active sync> open> then connect the usb cable...after phone is detected try to do sync. reinstall active sync can also help.

1. Right click Red/Blue synch icon in lower right corner
2. Select custom
3. See how many items are in two way synch

Palm tech fixed my problem. It turned out some items in Outlook Calendar were corrupted, thus preventing a synch with LifeDrive. The fix is to export the Calendar items and import them. This process fixes corruption. After doing that I successfully synchronized Calendar with LifeDrive. More specifically. I moved Calendar items to a different folder, thus emptying the main Calendar folder. I exported the Calendar items in the new folder to a CSV (Windows) file. Then, I imported that CSV (Windows) file into the main Calendar folder. Finally,I did a synch and all worked perfectly.

This morning I downloaded LifeDrive Update 1.0, and when I did a HotSync afterwards, I got an error message saying, Handheld Tasks application database version not supported. Handheld Notes application database version not supported. Now my contacts, memos, tasks, calendar entries and possibly other items are all gone!! This is the core data that is the reason why I use a PDA! I would be totally distraught, except that the data does still seem to exist in Outlook on my PC. I am running Outlook 2002, SP3 on a WinXP machine. Can anyone help to fix this problem? thanks,

I was ready to give up completely. Uninstalled, reinstalled, nothing worked. Here is what I did to resolve sync errors: 1. Perform a hard reset on the Palm 2. Go to the Palmone folder on your hard drive (C:\Program Files|PalmOne. Look for the Backup folder. Rename this folder Backup Old. 3. Connect the Treo to your computer. 4. Right click the Hotsync icon in the taskbar and click Custom. Change the four Outlook conduits (Calendar, Contacts,Tasks,Memos) to Desktop overwrites Handheld. 5. Run a Hotsync with the Treo. It should sync without errors. If you need to install additional applications you can add them now. This worked for me. I hope it helps with your errors.