Error while setting server report parameters. Error message: The DefaultValue expression for the report parameter ‘AX_CompanyName’ contains an error: Request for the permission of type 'System.Security.Permissions.EnvironmentPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. (rsRuntimeErrorInExpression) - In Ax 2012

Error :

Error while setting server report parameters. Error message: The DefaultValue expression for the report parameter ‘AX_CompanyName’ contains an error: Request for the permission of type 'System.Security.Permissions.EnvironmentPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. (rsRuntimeErrorInExpression)

Solution :


C:\Program Files\Microsoft SQL Server\MSRS11.TEST\Reporting Services\ReportServer

open "rssrvpolicy" in NotePad

and go to

<CodeGroup class="UnionCodeGroup" version="1" PermissionSetName="Execution" Name="Report_Expressions_Default_Permissions" Description="This code group grants default permissions for code in report expressions and Code element. ">


and paste the below code and save.


<CodeGroup class="UnionCodeGroup" version="1" PermissionSetName="FullTrust" Name="Report_Expressions_Default_Permissions" Description="This code group grants default permissions for code in report expressions and Code element. ">




Thats It..



@Rahul Talasila