"Wanna" ransomware outbreak. Please see this Sophos article sophos.com/kb/126733 for advice on how to protect your organization. Immediate action recommended.
Issue ActiveSync fails to synchronize a users mailbox items on their devices When PureMessage has Exchange Information Store scanning disabled within the policy, the devices are able to use ActiveSync to synchronize with the Exchange Mailbox
First seen in PureMessage for Microsoft Exchange
Cause As detailed in the following Microsoft article: http://support.microsoft.com/default.aspx?scid=kb;en-us;894065 Microsoft Exchange ActiveSync cannot synchronize items in a store when the virus scanner on the Microsoft Exchange Server 2003 server is configured not to scan that store. For example, this problem occurs if you configure the virus scanner to scan the public folder store but not the mailbox store. The items in the mailbox store cannot be synchronized.
The ActiveSync feature will now allow synchronization to take place.
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