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2.2.4.3.11 messageChange Element

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The messageChange element represents a change to a Message object.

A server MUST use the messageChangeFull element, instead of the messageChangePartial element, if any of the following are true:

  • The PartialItem flag of the SendOptions field was not set, as specified in section 2.2.3.2.1.1.

  • The Message ID structure ([MS-OXCDATA] section 2.2.1.2) of the message to be output is not in the MetaTagIdsetGiven property (section 2.2.1.1.1) from the initial ICS state.

  • The message is an FAI message.

  • The message is a conflicting version contained in a conflict resolve message. For more details, see section 3.1.5.6.2.1.

Otherwise, the server determines the most efficient way to communicate the message change on a case-by-case basis.