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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-08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 webpage provides documentation for the \u003ccode\u003eDetailedHealthState\u003c/code\u003e enum within the \u003ccode\u003eGoogle.Cloud.Compute.V1\u003c/code\u003e namespace, covering multiple versions from 1.0.0 to 3.6.0, with 3.6.0 being the latest.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eDetailedHealthState\u003c/code\u003e enum represents the current health status of an instance, with possible values including \u003ccode\u003eDraining\u003c/code\u003e, \u003ccode\u003eHealthy\u003c/code\u003e, \u003ccode\u003eTimeout\u003c/code\u003e, \u003ccode\u003eUndefinedDetailedHealthState\u003c/code\u003e, \u003ccode\u003eUnhealthy\u003c/code\u003e, and \u003ccode\u003eUnknown\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eEach version listed links to its respective documentation page detailing the \u003ccode\u003eDetailedHealthState\u003c/code\u003e enum for that release.\u003c/p\u003e\n"],["\u003cp\u003eThe documentation defines the instance state for each possible enum value such as: if the instance is draining or healthy, if a timeout has occurred, if it's unhealthy, or unknown.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eGoogle.Cloud.Compute.V1.dll\u003c/code\u003e assembly is where this enum is located.\u003c/p\u003e\n"]]],[],null,[]]