Upgrading to Exchange 2007 - From Exchange 5.5/2000/2003/Lotus Notes

Dear all, lots of our customers are asking, how to move from Exchange 5.5 to Exchange 2007.

This table explain all:

Exchange 5.5
Inplace Upgrade - Not Supported
Transition- Not Supported
Direct Migrate- Upgrage/Migrate to E2000/E2003 first

Exchange 2000
Inplace Upgrade - Not Supported
Transition- Supported
Direct Migrate- Supported

Exchange 2003
Inplace Upgrade - Not Supported
Transition- Supported
Direct Migrate- Supported

Mixed E2000/E2003
Inplace Upgrade - Not Supported
Transition- Supported
Direct Migrate- Supported

Lotus Notes
Inplace Upgrade - Not Supported
Transition- Not Supported
Direct Migrate- Using thrid party tool