[BizTalk]When configuring BizTalk Accelerator for RosettaNet receive error messages

When configuring A4RN 3.3, I got an error message like this:

A Biztalk Isolated host instance configured with the user account was either not running or dose not exist...

This error occurs if when you installing A4RN, there are no trusted host instance configured on your box, hence A4RN installation process could not pick up a trusted user account for further configuration.

The only way I found to solve this error is to uninstall A4RN, then create a new host marked as trusted, the create a new host instance of that trusted host. Then in BizTalk Server Administration consol, I mark the newly created host instance as default host instace.

After all was done, then I reinstall A4RN. And now when configuring A4RN, no compliant will be shown.

In my opion, this is really stupid, they should have ask us for a new trusted user account, not just popup a error message.