We would like to stitch the users of two domains of a particular organization together, i.e sub domainAs, we want to track the same visitors traversing from page 1 to page 2 ( another sub domain).MID does not remain same, hence would like to know the way out !kindly suggest.

Thanks for the quick response !But, the tracking code is not set for the login URL -  we need to keep track of users, its a necessity to keep track of campaign, although different domain will not carry the tracking code. But I assume, due to the persistence nature of tracking code, it will be stitch...

 We would like to track the visitors with the help of tracking code on sub domains of a website.example - when a user redirecting to registration page ( where tracking code is not implemented)  from previous page xyz, we don't want to lose the value of the tracking code from page XYZ  to registratio...