Symptoms

In a Microsoft Exchange Server 2013 environment, when you try to sync your email messages on an ActiveSync device, the device may receive several Ping.FHSyncRequired replies several times a day. This causes the device to become unresponsive until the sync process is complete.

Cause

This issue occurs when a non-IPM folder isn't filtered correctly during the ActiveSync process.

Cumulative update information

For Exchange Server 2013

To resolve this issue, install Cumulative Update 15 for Exchange Server 2013 or a later cumulative update for Exchange Server 2013.

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

References

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

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