Mailbox role: Transport service

Hello,

Can someone help me? I am getting the following error during setup progress step 7 of 14: Mailbox role: transport service

Error:

The following error was generated when "$error,Clear();

if(!(get-service MSExchangeADTopology* | where {$_.name -eq "MSExchangeADTopology"}))

}

else

{

update-ServiceExecutable -ServiceName:MSExchangeADTopology - 

Executable:"Microsoft.Exchange.Directory.TopologyService.exe"

Uninstall-TopologyService

}

"was run:"There are no more endpoints available from the endpoint mapper. (Exception from HRESULT:0x800706D9)".

Can someone help me?

Thanks,

Jimmy