Many enterprises have invested in Oracle* Fusion Middleware for their SOA implementations, sometimes along with other SOA enabled applications such as Web 2.0, Content Management, Business Process Management, etc. As applications are born from this stack of software you start to realize (or further realize) the importance of the total management lifecycle for this new type of application suite. These demands can grow significantly, especially if you've attemped to deliver many at once, often called 'Big Bang SOA'.
If you have extended Active Directory (AD) for use with your AMT clients you may have issues connecting to the AMT WebUI for those machines using Internet Explorer (IE). This is related to authentication settings.
If you experience this problem, you can first try another browser (e.g. Firefox) to see if you can connect to the WebUI. If successful, then you can try the setting the following configurations in your IE settings.