Common DCOM security errors

Unknown user or bad password

The following event indicates a failed logon due to an unknown user name. A failed logon due to a bad password is identical except that the error code is 0xC000006A.

Event Type: Failure Audit
Event Source: Security
Event Category: Account Logon
Event ID: 680
Date: 10/16/2012
Time: 5:20:48 PM
User: NT AUTHORITY\SYSTEM
Computer: OPCLAND

Description: Logon attempt by: MICROSOFT_AUTHENTICATION_PACKAGE_V1_0
Logon account: opcaccount
Source Workstation: ONELOVE
Error Code: 0xC0000064

Failed OPC server activation

This event shows a failure to activate the OPC server. The server name is not included in the log but can be determined by searching the registry for the CLSID.

Event Type: Error
Event Source: DCOM
Event Category: None
Event ID: 10016
Date: 10/16/2012
Time: 4:05:13 PM
User: NT AUTHORITY\ANONYMOUS LOGON
Computer:OPCLAND
Description: The application-specific permission settings do not grant Remote Activation permission for the COM Server application with CLSID {13486D51-4821-11D2-A494-3CB306C10000} to the user NT AUTHORITY\ANONYMOUS LOGON SID (S-1-5-7). This security permission can be modified using the Component Services administrative tool.