Import MSCRM 4.0 BU to MSCRM2011

Pre-requisite
Make sure you have MSCRM 4.0 installed on the 64 bit operating system.
Make sure you have a fresh installation of MSCRM 2011.
Please take a copy of the out of the box customizations

Steps
Step 1: Logon to the SQL Server of MSCRM 4.0
1. 1 Delete the data in Asynchronous Operation Base
1.2 Back up the organization you want to import.
Step 2: Copy the backup file to the MSCRM2011 server.
Step 3: Import the SQL backup file in to the SQL server for the MSCRM 2011 server.
Step 4: In the deployment manager of the MSCRM 2011 server run the import organization wizard (If you face any issues during the mapping of users kindly rectify those errors and proceed to the next step).
Step 5: Rectify the errors during the system check and click Import.