http://technet.microsoft.com/en-us/library/dd309681(v=ax.50).aspx
Configure system accounts
Configure the accounts that the system uses. This includes the Business Connector proxy account, the Workflow system account, the Workflow execution account, the synchronization service account, and the Virtual Earth account.
Open the form from the initialization checklist or the upgrade checklist, or click > > > .
In the and fields, enter the user name and domain for the Business Connector proxy account.
The Business Connector proxy account is used for communication between Microsoft Dynamics AX and applications such as Role Centers and Enterprise Portal Framework, Workflow, the synchronization service, and AIF Web services. You must configure the Business Connector proxy account before you can install these applications.
For more information about the requirements for the Business Connector proxy account, see the Server and Database Administration Guide.
The Workflow system account is used for communication between Microsoft Dynamics AX and the Workflow Web server. You can use one of the following accounts.
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Enter a domain account in the and fields to use a domain user for the Workflow system account.
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Enter a Microsoft Dynamics AX user for the Workflow service to communicate with. You can associate the service with a new or existing Microsoft Dynamics AX user.
For more information about the requirements for the Workflow system account, see the Microsoft Dynamics AX Installation Guide.
The Workflow execution account is used for running application business logic and accessing Microsoft Dynamics AX data. You can use one of the following accounts.
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Enter a domain account in the and fields to use a domain user for the Workflow execution account.
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Enter a new or existing Microsoft Dynamics AX user to access the database.
For more information about the requirements for the Workflow execution account, see the Microsoft Dynamics AX Installation Guide.
The synchronization service account is used for communication between Microsoft Dynamics AX, Windows Message Queuing, and Microsoft Office Project Server 2007. You can use one of the following accounts.
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Enter a domain account in the and fields to use a domain user for the synchronization service account.
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Enter a Microsoft Dynamics AX user for the synchronization service to communicate with. You can associate the service with a new or existing Microsoft Dynamics AX user.
For more information about the requirements for the synchronization service account, see the Microsoft Dynamics AX Installation Guide.
The Virtual Earth account is used to access the online Virtual Earth map when working in Enterprise Portal.
You can find the Virtual Earth account name and password on CustomerSource.
By selecting the check box and entering the information, you agree to be bound by the Microsoft Virtual Earth Map Control and MapPoint Web Service End User Terms of Use.