Details of the event with ID 90 of the source Microsoft-Windows-CertificationAuthority

Event Source:	Microsoft-Windows-CertificationAuthority
Event ID:	90 (0x5A)
Event log:	Application
Event type:	Error
Event text (English):	%1: Active Directory Certificate Services detected an exception at address %2. Flags = %3. The exception is %4.
Event text (German):	%1: An exception was detected at address %2. Flag: %3. Exception: %4.

Parameter

The parameters contained in the event text are filled with the following fields:

%1: ExceptionLocation (win:UnicodeString)
%2: ExceptionAddress (win:UnicodeString)
%3: ExceptionFlags (win:UnicodeString)
%4: ErrorCode (win:UnicodeString)

Example events

515.376.90: Active Directory Certificate Services detected an exception at address 0x0000000000000000. Flags = 0x00000000. The exception is The instruction referenced memory at 0x%p. The memory could not be %s. 0xc0000005 (NT: 0xc0000005 STATUS_ACCESS_VIOLATION).

Description

Do you know TameMyCerts? TameMyCerts is an add-on for the Microsoft certification authority (Active Directory Certificate Services). It extends the function of the certification authority and enables the Application of regulationsto realize the secure automation of certificate issuance. TameMyCerts is unique in the Microsoft ecosystem, has already proven itself in countless companies around the world and is available under a free license. It can downloaded via GitHub and can be used free of charge. Professional maintenance is also offered.

This event may occur if there is a problem with the communication with the hardware security module.

Safety assessment

The security assessment is based on the three dimensions of confidentiality, integrity and availability.

As a rule, the availability of the certification authority is affected because the certification authority service will usually stop working. Therefore, this event is to be rated as critical.

Microsoft rating

Microsoft evaluates this event in the Securing Public Key Infrastructure (PKI) Whitepaper with a severity score of "Low".