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SyncFolderItems contains duplicated ReadFlagChange items in Exchange Server 2019 and 2016

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Symptoms

Duplicated ReadFlagChange items are returned in a SyncFolderItems operation response in Microsoft Exchange Server 2019 and Exchange Server 2016.

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Cause

The SavedReads and the Reads downloaded in current session are both processed again. It leads to duplicated items in the response from the server.

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Resolution

To fix this issue, install one of the following updates:
For Exchange Server 2019, install the Cumulative Update 2 for Exchange Server 2019 or a later cumulative update for Exchange Server 2019.
For Exchange Server 2016, install the Cumulative Update 13 for Exchange Server 2016 or a later cumulative update for Exchange Server 2016.

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References

Learn about the terminology that Microsoft uses to describe software updates.

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Keywords: kb, kbfix, kbqfe, syncfolderitems contains duplicated readflagchange items, kbHotfixAuto, CI101676

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Article Info
Article ID : 4502158
Revision : 6
Created on : 6/18/2019
Published on : 6/18/2019
Exists online : False
Views : 302