The DefaultValue expression for the report parameter AX_CompanyName contains an error Dynamics Adapter LogonAs failed
On the SSRS server machine where you have .NET BC installed, check the following: Check Microsoft.Dynamics.BusinessConnectorNet file version in :\windows\assembly folder (GAC). To do this, right-click on the file, select Properties then select the Version tab. Make sure it's the same version as your AOS version (ax32serv.exe) Make sure that the SSRS service account is the same as your Business Connector Proxy account in Dynamics AX. Check the Dynamics AX client configuration for the Business Connector (non-interactive use only) configuration and make sure it points to an active AOS in the Connection tab. (Administrative Tools> Microsoft Dynamics AX 2009 Configuration) Copy the Business Connector configuration to the desktop and double click on it to launch Dynamics AX. This will validate that the configuration is good Check the Application event log on the SSRS server to make sure you do not see other errors as to why Business Connector is not able to c