I have installed AX Enterprise Portal on Domain A and it's working fine. Domain A and Domain B has already been established with two-way transitive Trust relationship. However I cannot be able to open Enterprise Portal on Domain B. I received below error message:

Log Name: Application
Source: Microsoft Dynamics AX Enterprise Portal
Date: 9/15/2015 8:50:56 AM
Event ID: 1000
Task Category: None
Level: Error
Keywords: Classic
User: N/A
Computer: ComputerName
Description:
An unexpected error has occurred. No .NET Business Connector session could be found.
Microsoft.Dynamics.Framework.BusinessConnector.Session.Exceptions.NoKernelSessionException at Microsoft.Dynamics.Framework.BusinessConnector.Session.DynamicsSession.get_AxaptaAdapter() at Microsoft.Dynamics.Framework.Portal.CommonControls.VendProfileAccountHelper.IsVendor(ISession session)
at Microsoft.Dynamics.Framework.Portal.CommonControls.VendAccountChooser.get_VendorAccountCollection()
Event Xml:
<Event xmlns="schemas.microsoft.com/.../event">
<System>
<Provider Name="Microsoft Dynamics AX Enterprise Portal" />
<EventID Qualifiers="0">1000</EventID>
<Level>2</Level>
<Task>0</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2015-09-15T15:50:56.000000000Z" />
<EventRecordID>372936</EventRecordID>
<Channel>Application</Channel>
<Computer></Computer>
<Security />
</System>
<EventData>
<Data>An unexpected error has occurred.
No .NET Business Connector session could be found. Microsoft.Dynamics.Framework.BusinessConnector.Session.Exceptions.NoKernelSessionException at Microsoft.Dynamics.Framework.BusinessConnector.Session.DynamicsSession.get_AxaptaAdapter() at Microsoft.Dynamics.Framework.Portal.CommonControls.VendProfileAccountHelper.IsVendor(ISession session) at Microsoft.Dynamics.Framework.Portal.CommonControls.VendAccountChooser.get_VendorAccountCollection()
</Data>
</EventData>
</Event>
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