| Event Source: | Microsoft-Windows-NetworkDeviceEnrollmentService |
| Event ID: | 11 (0xB) |
| Event log: | Application |
| Event type: | Error |
| Symbolic Name: | EVENT_MSCEP_NO_OPERATION |
| Event text (English): | The Network Device Enrollment Service received an http message without the "Operation" tag, or with an invalid "Operation" tag. |
| Event text (German): | An HTTP message without "Operation" tag or with invalid "Operation" tag was received from the network device registration service. |
The Network Device Enrollment Service (NDES) provides a way for devices that do not have an identifier in Active Directory (for example, network devices such as routers, switches, printers, thin clients, or smartphones and tablets) to request certificates from a certification authority. For a more detailed description, see the article "Network Device Enrollment Service (NDES) Basics„.
Example events
The Network Device Enrollment Service received an http message without the "Operation" tag, or with an invalid "Operation" tag.
Description
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Occurs when an invalid Request string ("operation") was sent to the NDES server.
Safety assessment
The security assessment is based on the three dimensions of confidentiality, integrity and availability.
No description has been written for this yet.
Related links:
- Overview of Windows events generated by the Network Device Enrollment Service (NDES).
- Network Device Enrollment Service (NDES) Basics
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