I am getting error: 8000401a while logging to Tridion [closed]

Question

I am getting the following error, while logging in to Tridion. Could you please help me.

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& completedSynchronously)

Answer 1

May be your system user(MTSuser by default) got locked.

Could you please check the Identity properties of the Tridion Content Manager COM+ application and try again to login with this user.