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Microsoft Dynamics GP (Archived)

GP2013 Web Client - Session Central Service was not able to successfully communicate with the Session Service

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I have installed a scale-out deployment of the GP2013 Web Client using Tenant Services.  I am able to log into the Web Client using an admin AD login and everything works correctly.  But I get the following error when I try to log in as a user (with an AD account that is in the Web Client User group):

ERROR from Session Central Server:

Session Central Service was not able to successfully communicate with the Session Service at http://GPSERVER:48650/SessionService. The exception details are:

System.ServiceModel.FaultException`1[System.ServiceModel.ExceptionDetail]: Object reference not set to an instance of an object. (Fault Detail is equal to An ExceptionDetail, likely created by IncludeExceptionDetailInFaults=true, whose value is:

System.NullReferenceException: Object reference not set to an instance of an object.

at Microsoft.Dexterity.Resource.DexDictionary..ctor(IDexResourceProvider resourceProvider)

at Microsoft.Dexterity.Resource.DexDictionary.Open(IDexResourceImplementation resourceImplementation, DexDictionaryConnection connection)

at Microsoft.Dynamics.GP.Web.Services.Runtime.Dexterity.Implementation.WCDexRuntimeHost..ctor(DexRuntimeArgs dexRuntimeArgs, IWCDexImplementation implementation)

at Microsoft.Dynamics.GP.Web.Services.Runtime.Dexterity.DexRuntimeService..ctor(DexRuntimeArgs args, Int32 desktopHeapSize, Boolean runtimeLogEnabled, String customRuntimeSettings)

at Microsoft.Dynamics.GP.Web.Services.Runtime.RuntimeService..ctor(SessionProcessSharedData sharedData, String appDirectory, String setFile, String dexInitializationFile, Int32 desktopHeapSize, Boolean runtimeLogEnabled, String customRuntimeSettings, Str...).

ERROR from Session Server:

An error occurred while creating a session: '

Date: 1/7/2016 2:14:33 PM

SessionId: userID_2016-1-7_14-14-14-24_GPSERVER

ProcessId: 2200

ProcessUsername: DOMAIN\userID

TenantName: SCS

ApplicationDirectory: \\gpserver\GP2013

DexInitializationFile: \\gpserver\GP2013\Data\Dex.ini

SetFile: \\gpserver\GP2013\Dynamics.set

Exception Details: System.ServiceModel.FaultException`1[System.ServiceModel.ExceptionDetail]: Object reference not set to an instance of an object. (Fault Detail is equal to An ExceptionDetail, likely created by IncludeExceptionDetailInFaults=true, whose value is:

System.NullReferenceException: Object reference not set to an instance of an object.

at Microsoft.Dexterity.Resource.DexDictionary..ctor(IDexResourceProvider resourceProvider)

at Microsoft.Dexterity.Resource.DexDictionary.Open(IDexResourceImplementation resourceImplementation, DexDictionaryConnection connection)

at Microsoft.Dynamics.GP.Web.Services.Runtime.Dexterity.Implementation.WCDexRuntimeHost..ctor(DexRuntimeArgs dexRuntimeArgs, IWCDexImplementation implementation)

at Microsoft.Dynamics.GP.Web.Services.Runtime.Dexterity.DexRuntimeService..ctor(DexRuntimeArgs args, Int32 desktopHeapSize, Boolean runtimeLogEnabled, String customRuntimeSettings)

at Microsoft.Dynamics.GP.Web.Services.Runtime.RuntimeService..ctor(SessionProcessSharedData sharedData, String appDirectory, String setFile, String dexInitializationFile, Int32 desktopHeapSize, Boolean runtimeLogEnabled, String customRuntimeSettings, Str...).

'.

Is there a permission setting that I am missing? 

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