Help with Windows Server 2008 R2 & Enkompass

I have completle set up windows server 2008 R2 and also installed Enkompass with all its prerequisite  and database but when i try creating an account inside Enkompass i get the following error message

Failed to create the new account: name papanoni, domain papanoni.com.
Method 'CreateAccount' from contract 'IServerAdministratorService'
failed.
System.Runtime.InteropServices.COMException (0x800706BA): The RPC server is unavailable. (Exception from HRESULT: 0x800706BA)
at
System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
at
System.Management.ManagementScope.InitializeGuts(Object o)
at System.Management.ManagementScope.Initialize()
at
System.Management.ManagementObject.Initialize(Boolean getObject)
at System.Management.ManagementObject.GetMethodParameters(String methodName,
ManagementBaseObject& inParameters, IWbemClassObjectFreeThreaded& inParametersClass, IWbemClassObjectFreeThreaded& outParametersClass)
at
System.Management.ManagementObject.GetMethodParameters(String methodName)
at cPanel.Dns.Providers.MicrosoftDnsDataProvider.CreateZone(IPAddress
serverIp, String zoneName, SoaRecord soaRecord)


 help me i don't know where to start from and thank yu in advance.