0x800401F3 DCOM Error Author: Randy Kondor The usual symptom for the 0x800401F3 DCOM error is an inability for an OPC Client to establish an initial connection with the OPC Server. Read the full article to troubleshoot and repair this DCOM error. ...
Examples may include Item Browsing, Asynchronous I/O or OPC DA v2.x or 3.x interfaces etc. 0x800401f3Invalid class string The GUID/CLSID of the specified OPC Server is not valid. 0x80040200• Unable to impersonate DCOM Client • Unknown OLE status code DCOM security problem, typically ...