title: I am getting error: 8000401a while logging to Tridion
body: <p>I am getting the following error, while logging in to Tridion. Could you please help me.</p>
  
  <pre><code>Error: Retrieving the COM class factory for component with CLSID {9926D1CF-F158-418F-A9A2-B653B497D982} failed due to the following error: 
  8000401a The server process could not be started because the configured identity is incorrect. 
  Check the username and password. (Exception from HRESULT: 0x8000401A).
  
  System.Runtime.InteropServices.COMException (0x8000401A): Retrieving the COM class factory for component with CLSID {9926D1CF-F158-418F-A9A2-B653B497D982} failed due to the following error: 
  8000401a The server process could not be started because the configured identity is incorrect. 
  Check the username and password. (Exception from HRESULT: 0x8000401A). 
  at Tridion.Web.UI.Models.TCM54.TDSEWrapper.get_TDSE() 
  at Tridion.Web.UI.Models.TCM54.TcmAuthorizationModule.context_AuthorizeRequest(Object sender, EventArgs e) 
  at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() 
  at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean&amp; completedSynchronously)
  </code></pre>