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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-08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 document provides reference documentation for the \u003ccode\u003eManagedInstanceInstanceHealth.Types.DetailedHealthState\u003c/code\u003e enum within the Google Compute Engine v1 API, detailing various versions.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version available is 3.6.0, while the documentation covers versions back to 1.0.0, indicating a range of updates and changes over time.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eDetailedHealthState\u003c/code\u003e enum offers six possible states for an instance's health: \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 health state of an instance is described in detail within the documentation, including conditions for \u003ccode\u003eHealthy\u003c/code\u003e which states it is reachable and conforming, \u003ccode\u003eUnhealthy\u003c/code\u003e which states it is reachable but not conforming, or \u003ccode\u003eTimeout\u003c/code\u003e which means it is unreachable.\u003c/p\u003e\n"],["\u003cp\u003eThe namespace for the API is \u003ccode\u003eGoogle.Cloud.Compute.V1\u003c/code\u003e and it resides in the \u003ccode\u003eGoogle.Cloud.Compute.V1.dll\u003c/code\u003e assembly file.\u003c/p\u003e\n"]]],[],null,[]]
