Originally posted by kempf:
First way i tried is to use the MessageID. But the Messageid of the original appointment and the Messageid of the accept/Decline/Delegate/Delete message isn’t identical. Then i tried the CommonMessageID – the same…..
Message ID of a composing message and the sent message always different. GroupWise assign a new message ID when the message is sent. May be a better option for you to store the CommonMessageID of the sent message. Please note, accessing a message via the CommonmessageID property results in a read-only instance of the message.