The instance is being drained. The existing connections to the instance have time to complete, but the new ones are being refused.
Healthy
The instance is reachable i.e. a connection to the application health checking endpoint can be established, and conforms to the requirements defined by the health check.
Timeout
The instance is unreachable i.e. a connection to the application health checking endpoint cannot be established, or the server does not respond within the specified timeout.
UndefinedDetailedHealthState
A value indicating that the enum field is not set.
Unhealthy
The instance is reachable, but does not conform to the requirements defined by the health check.
Unknown
The health checking system is aware of the instance but its health is not known at the moment.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-08 UTC."],[[["\u003cp\u003eThis page provides reference documentation for the \u003ccode\u003eDetailedHealthState\u003c/code\u003e enum within the Google Cloud Compute Engine v1 API, specifically for the \u003ccode\u003eManagedInstanceInstanceHealth.Types\u003c/code\u003e component.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eDetailedHealthState\u003c/code\u003e enum describes the current detailed health status of an instance, with possible states including \u003ccode\u003eDraining\u003c/code\u003e, \u003ccode\u003eHealthy\u003c/code\u003e, \u003ccode\u003eTimeout\u003c/code\u003e, \u003ccode\u003eUnhealthy\u003c/code\u003e, \u003ccode\u003eUnknown\u003c/code\u003e, and \u003ccode\u003eUndefinedDetailedHealthState\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe documentation is versioned, with versions ranging from 1.0.0 up to the latest version 3.6.0, and each version has its own link to it's respective documentation page.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eDetailedHealthState\u003c/code\u003e enum is part of the \u003ccode\u003eGoogle.Cloud.Compute.V1\u003c/code\u003e namespace, found within the \u003ccode\u003eGoogle.Cloud.Compute.V1.dll\u003c/code\u003e assembly.\u003c/p\u003e\n"]]],[],null,[]]
