Marc Valk dot Net

To synchronize your AD Domain with your BPOS environment, follow the steps below.

Log in on your Microsoft Online Services Administration Center, Click the [Migration] tab and then click the [Configure] button in the “Directory Synchronization” Section.
 
Read the  “Plan for Directory Synchronization” and check the checkbox, confirming that you read it.
Press the [Enable] button in step [...]

2 webcasts about BPOS. Webcast #1 shows you how to create a trail account for your customer.

Webcast #2 shows you how to create a new Services Administrator and sign on with that account.
Video: Creating new BPOS Admin and Login with SSO Tool
link to original source