The user or group name 'BUILTIN\Administrators' is not recognized error in SSRS AX 2012 R3 (rsUnknownUserName)

The user or group name 'BUILTIN\Administrators' is not recognized. (rsUnknownUserName) Error in SSRS AX 2012 R3

Solution:  Check or Configure the Business Connector proxy account

Click System administration > Setup > System > System service accounts. –or– Open the System service accounts form from the initialization checklist or the upgrade checklist.

Use the System service accounts form to configure the accounts used to run Microsoft Dynamics AX services. Service accounts include the Business Connector proxy account, the workflow execution account, the Microsoft Project Server synchronization service account, and the Bing Maps account.

Configure the Business Connector proxy account

In the Alias (Like: umeshp) and Network domain fields(like: AX2012R3.local), enter the username and domain for the Business Connector proxy account.

The Business Connector proxy account is used for communication between Microsoft Dynamics AX and other applications.

For more information about the requirements for this account, see Specify the .NET Business Connector proxy account.


The user or group name 'umeshp\AX2012R3.local' is not recognized while publishing the report via powershell. Same error and the solution is same as above.

To deploy all reports, enter the following command: in Windows PowerShell
Publish-AXReport –ReportName *

How to open Windows PowerShell for deploying the default reports of SSRS in AX 2012 R3:

Open Windows PowerShell as an administrator by following these steps:
Click Start > Administrative Tools.
Right-click the Microsoft Dynamics AX 2012 Management Shell option.
Click Run as administrator.