maxdb 7.3.0.0 issues application to db connectivity failing

Hi,

Our one of running system which is hosted on windows vm and has been migrated to new host keeping the same host name but the ip has changed.Now after that we are getting a error saying that

• ERROR => Couldn't get database version : sqlcode=-709

4 ETW000 59 4.510158

4 ETW000 [ ,597] ***LOG BY2=>sql error -709 performing CON

4 ETW000 121 4.510279

any pointers related to the issue.Thanks.