Error message while trying to migrate Tally 7.2 Data to Tally 9

Hello experts,
I am using Windows XP Professional System. I have installed Tally 9 on it. When I wanted to Migrate Tally 7.2 Data to
Tally 9, I found the following Error message:
'Internal Error. Contact Tally Solutions.'
Software Exception C0000005
(Memory Access Violation)
OK
After I select OK A Yellow display shows with this Error :
Error!
Migration is unable to reach Tally 9 server!
Post Request Failed!
(Press 'Enter' to Continue)
Please help me to solve it!
Thanks.
