Migrate from SDP to MSP

Migrate from SDP to MSP

Does anyone have any experience moving from SDP to MSP? We are moving to MSP on a new separate server. I am not planning to migrate over the old tickets. I am looking for a solution for dealing with the remaining tickets that will still be open(~400) when we move to MSP. Our customers mostly use email to create and update tickets. Short of having MSP use a new url and email address and keeping both systems live for a period of time and don't really have a good solution. Any suggestions?
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