Tickets :: Comment on [#12506] Contacts sync with ActiveSync get duplicates and not sync

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Comment	>> So, it seems that in the 500 contacts log, after the initial upload >> of the 500 contacts from Android to Turba, the Android SyncKey is not >> updated from {51f5844b-ef0c-4b3a-937b-784b5570088c}2 to >> {51f5844b-ef0c-4b3a-937b-784b5570088c}3. > > Ah, you are importing the new contacts from the device. I missed that. > > The protocol is not really optimized/designed for importing that many > new items from the device to the server. It was originally designed > to be a mirror of an already existing Exchange account. As such, > there is no mechanism in place in the protocol to "page" changes from > client -> server as there is in the other direction. > > E.g., if you were to import the 500 new contacts into Turba the > changes would be sent to the client in multiple requests, each > containing a small chunk of the changes (the exact number is client > dependent but usually ranges from 5 - 20). >
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