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Reset OS X's Sync Services
Authored by: bed124 on Jan 24, '07 02:16:06AM
We develop and maintain the Groupcal product which is one of the more serious clients of OS X's Sync Services. With over 10,000 licenses out there, we see multiple situations each week where OS X's Sync Services becomes corrupted.

Fortunately, Apple has provided a way to properly reset Sync Services' internal state. Our Knowledgebase contains an article about resetting Sync Services (the page redirects to a different server which is something that some proxy servers don't allow).

We have seen a wide variety of problems caused by corrupted Sync Services with common ones being duplicated entries, unhandled exceptions and software hangs and crashes. Generally, if things have been working reliably, you haven't changed anything and suddenly syncing "goes wonky," resetting Sync Services is likely to fix things.

People should realize that Sync Services is a significant piece of software and is also very complex and still relatively new. As such, it's bound to have bugs. In addition, it's important that software that uses the Sync Services interfaces be written correctly because it's possible for any syncing software to cause problems for other syncing software that syncs the same resource (e.g., iCal). This is how Apple states it in their Developer notes:

The order in which methods are invoked, and the timing, are important. In fact, the consequences of using this API incorrectly are dire--the users may lose their data.

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Reset OS X's Sync Services
Authored by: bed124 on Jan 24, '07 02:20:16AM
Oops ... somehow the comments editor stripped out the <A> tags for the links.

The link to the KB article on resetting Sync Services is:

(The Groupcal link is #;-)

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