DNS_STATUS_DOTTED_NAME - 9558 (0x2556)
DNS name is dotted (multi-label).
Updated: Feb 21, 2026
Introduction
This document provides a detailed explanation of the DNS_STATUS_DOTTED_NAME error code, including its technical meaning and developer interpretation.
Technical Meaning
The DNS_STATUS_DOTTED_NAME error code is returned when a DNS name is in dotted (multi-label) format. This typically indicates that the name contains multiple labels separated by dots, which may be relevant for certain operations or configurations within the Windows environment.
Error Details
- Error Name: DNS_STATUS_DOTTED_NAME
- Numeric Code: 9558
- Hex Code: 0x2556
This error code is specific to DNS-related operations and may be encountered when working with domain names or host records.
Usage Context
The DNS_STATUS_DOTTED_NAME error can occur in various contexts, such as during name resolution, configuration of DNS settings, or validation of input parameters. It serves as a diagnostic tool for developers to understand the nature of the operation and its requirements.
Developer Interpretation
When this error code is returned, it indicates that the system has encountered a DNS name with multiple labels (multi-label format). This can be useful in scenarios where single-label names are expected or required. Developers should ensure that their input parameters adhere to the expected naming conventions to avoid this error.
Related Errors
- DNS_ERROR_NAME_DOES_NOT_EXIST: Indicates that the specified DNS name does not exist.
- DNS_ERROR_NO_SUCH_HOST: Similar to
DNS_ERROR_NAME_DOES_NOT_EXIST, but may be used in different contexts. - DNS_ERROR_BAD_NAME_FORMAT: Indicates an invalid format for a DNS name, which could include issues with multi-label names.
FAQ
Q: What does the DNS_STATUS_DOTTED_NAME error mean?
A: It indicates that a DNS name is in dotted (multi-label) format, which may not be suitable for certain operations or configurations. Ensure your input parameters meet the expected naming conventions to avoid this error.
Q: How can I resolve this issue?
A: Verify that the DNS names you are using adhere to the required single-label format if necessary. Adjust your code or configuration settings accordingly.
Summary
The DNS_STATUS_DOTTED_NAME error code is a diagnostic tool used by Windows APIs and applications when encountering multi-label DNS names in certain operations. Developers should pay attention to naming conventions and ensure their input parameters are correctly formatted to avoid this error.