An issue in the BlackBerry Enterprise Server that is known to Research In Motion has been corrected in current releases of the BlackBerry Enterprise Server. An internal user sending malformed protocol packets could have caused a Denial of Service (DoS) for all BlackBerry Enterprise Server communication.
The communication flow between the BlackBerry Enterprise Server and BlackBerry Router is disrupted.
Install BlackBerry Enterprise Server 4.0 Service Pack 4 or later.
Updates to article formatting. No technical content changed.
Update due to a system upgrade that did not affect article content.
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