In this post, you’ll learn about the error “CERTSRV_E_DOWNLEVEL_DC_SSL_OR_UPGRADE 0x80094013” that is returned when working with COM based APIs or libraries in Windows.
COM Error Message
CERTSRV_E_DOWNLEVEL_DC_SSL_OR_UPGRADE 0x80094013
What is COM?
Microsoft’s COM stands for Component Object Model. Component Object Model (COM) is a networked, object-oriented framework for building interoperable binary software components. Microsoft’s OLE (compound documents), ActiveX (Internet-enabled components), and other products are built on the COM base technology.
Error Description
Below is the description of this COM Error.
The contacted domain controller cannot support signed LDAP traffic. Update the domain controller or configure Certificate Services to use SSL for Active Directory access.
