Event ID 12800 is logged on an Exchange 2007-based server: "Message processing failed because there is not enough available memory (8007000E-82000387)"

On a Microsoft Exchange Server 2007-based server, the following event ID is logged in the Application event log:

Event ID : 12800
Raw Event ID : 12800
Record Nr. : 586181
Category : Content Engine
Source : MSExchangeIS
Type : Error
Message :
Message processing failed because there is not enough available memory (8007000E-82000387).

However, this event does not include necessary information to help you understand the situation

To resolve this problem, download and then install Update Rollup 5 for Exchange 2007 Service Pack 1.

For more information about Update Rollup 5 for Exchange Server 2007 Service Pack 1, see the following Exchange Help topic: For more information about how to obtain the latest Exchange service pack or update rollup, see the following Exchange Help topic:After you apply this update, the following event may be logged to help you understand the situation or take additional action:

Event Type: Error
Event Source: MSExchangeIS
Event Category: Content Engine
Event ID: 12003
Description:
Error 8007000E-82000387 occurred while processing message <message> with subject "<subject name>" from '<user name>'.