As per discussed over Skype and Emails that there is no bug, And the customer did something wrong with the export/import functions. we will solve this issue through direct contact with you Ibrahim,
This is not the issue of upgrade SERP. But serverip.dat in this case contains the value: 192.168.88.12:1301, so this is local IP of the server with SERP.
Anyway I don't understand what do you me...