Session log on for Microsoft Dynamics failed. Dynamics Adapter Logon failed.

After starting the Dynamics AX 2009 Synchronization Service, the Project Server Integration components wouldn’t install and the following error got written twice each second into the server application log:

Session log on for Microsoft Dynamics failed.

Dynamics Adapter Logon failed.

Microsoft.Dynamics.Framework.BusinessConnector.Session.Exceptions.NonFatalSessionException
   at Microsoft.Dynamics.Framework.BusinessConnector.Session.DynamicsSession.HandleException(String message, Exception exception, HandleExceptionCallback callback)
   at Microsoft.Dynamics.Framework.BusinessConnector.Session.DynamicsAdapter.Logon(String company, String language, String objectServer, String configuration)
   at Microsoft.Dynamics.SyncServices.SyncAxSession.OnLogon(IAxaptaAdapter axaptaAdapter)
   at Microsoft.Dynamics.Framework.BusinessConnector.Session.DynamicsSession.Init(ICacheContext context)

Microsoft.Dynamics.BusinessConnectorNet.NoSecurityKeyException
   at Microsoft.Dynamics.BusinessConnectorNet.Axapta.Logon(BC_PROXY_ACCOUNT_INFO* pBCProxyAccountInfo, String company, String language, String objectServer, String configuration)
   at Microsoft.Dynamics.BusinessConnectorNet.Axapta.Logon(String company, String language, String objectServer, String configuration)
   at Microsoft.Dynamics.Framework.BusinessConnector.Session.DynamicsAdapter.Logon(String company, String language, String objectServer, String configuration)

The workaround is to assign the Admin group to the Synchronization Service Account in Dynamics under Administration/Administration Area/Users.  Being a member of the SyncAdmin group alone didn’t seem to do the trick. Afterwards, restart the Dynamics AX 2009 Synchronization Service.

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2 Responses to Session log on for Microsoft Dynamics failed. Dynamics Adapter Logon failed.

  1. Abdullah says:

    I got the Same error, I have already given the Admin group to the Sycronization service account, but it didn’t work.Any Other suggestions ?

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