Instructions, for an authorized admin, on how to link a user's NetID to a service account within the Wisc Account Administration page.
To link a NetID to a service account:
Using your NetID, login to the Wisc Account Administration page.
Under Delegated Administration you should see a list of Accounts that you have access to, click on the corresponding account.
On the left hand side of the Account Home, under Account Administration, click the Linked Accounts section.
Under Linked Accounts, type in the NetID username in the New Linked NetID: field, then click Add.
Please note: It may take up to an hour, before the Service Account is fully enabled for the newly linked user.
Also see:
Office 365 - Getting Started with Service Accounts
https://kb.wisc.edu/office365/page.php?id=68238
Office 365 - How to access a Service Account
https://kb.wisc.edu/page.php?id=39838