ERROR_LOG_POLICY_NOT_INSTALLED - 6620 (0x19DC)
Log policy in question was not installed at the time of the request.
Updated: Feb 21, 2026
Introduction
This article provides a detailed technical reference for the ERROR_LOG_POLICY_NOT_INSTALLED error code, including its meaning and developer interpretation.
Technical Meaning
The ERROR_LOG_POLICY_NOT_INSTALLED error code indicates that a log policy required for the operation was not installed at the time of the request. This error typically occurs in scenarios where a specific logging configuration or policy is expected to be present but is missing, leading to the failure of the requested operation.
Error Details
The numeric value of this error is 6620 (0x19DC) and it signifies that the log policy necessary for the current request was not installed. This can occur in various contexts where logging policies are enforced or required, such as during event logging operations or when configuring system diagnostics.
Usage Context
This error code is commonly encountered in scenarios involving logging mechanisms within Windows systems. It may be relevant to applications that rely on specific log policies for operation, such as security audits, performance monitoring, or custom logging configurations.
Developer Interpretation
Developers should interpret this error as an indication that the necessary log policy was not available at the time of the request. This could mean that the required configuration was missing, incorrectly set, or not properly installed on the system. Developers should ensure that all necessary policies are correctly configured and installed before performing operations that depend on them.
Related Errors
ERROR_LOG_FILE_CORRUPTED(0x19E2): Indicates a corrupted log file.ERROR_LOG_FILE_FULL(0x19E3): Indicates the log file is full and cannot accept more entries.ERROR_LOG_PINNED(0x19E4): Indicates that the log file is pinned and cannot be modified.
FAQ
Q: What does the ERROR_LOG_POLICY_NOT_INSTALLED error mean?
A: This error indicates that a required log policy was not installed at the time of the request, leading to the failure of the operation.
Q: How can I resolve this issue?
A: Ensure that all necessary log policies are correctly configured and installed on the system before performing operations that depend on them.
Summary
The ERROR_LOG_POLICY_NOT_INSTALLED error code (6620, 0x19DC) is a generic reference indicating that a required log policy was not present at the time of the request. Developers should ensure proper configuration and installation of necessary policies to avoid this error.