Before working with Advendio and directly pull and push data from and to your AdServer make sure your Administrator has configured the Adserver Login Record. Navigate to the App Launcher and Search for AdServer Login or You find it in the Overview Tab in Section AdServer Interface. More details here
Under the AdServer Logins tab, you will find the list of existing records (usually just one!). Click the ad server login number to open the record. To set up your AdServer Login correctly check the requirements here 7.3.1.1 Which Login User do I use to create Login records?.
When opening an ad server login, you are able to establish the connection to your ad server and transfer essential information from the ad server to ADvendio.com.