You can use the Enrollment Welcome Message to send temporary KM server keys to clients who choose advanced security. The default message provides the procedures for using Outlook 8.03 and earlier client versions.
If you have some users who are using later versions of the client (such as Outlook 98) and you have previously customized the Enrollment Welcome Message, update it so it is relevant to all users. Complete the following procedure to update the Enrollment Welcome Message.
Your advanced security temporary key is %TOKEN%. To enroll in advanced security and start generating security credentials, please do the following:
From the Tools menu in Outlook 98, choose Options, and then choose Security. Select Get a Digital ID, and then choose Set up Security for me on the Exchange Server. Choose OK and enter your temporary key.
If you are using an earlier version of Outlook, from the Tools menu, choose Options, and then choose Security. Choose Set Up Advanced Security.