Batch file to copy file and append date

Set CurrentDate=%Date%
Set CurrentTime=%Time%
Set YYYY=%CurrentDate:~10,4%
Set MM=%CurrentDate:~4,2%
Set DD=%CurrentDate:~7,2%
Set Source=C:\Identipass\identipass.mdb
Set Destination=E:\Data\Identipass_%YYYY%%MM%%DD%.mdb
Copy %Source% %Destination%