Error: could not start login. Please check if cluster supports server side authentication. Details: failed to ping well-known endpoint: Get "https://cluster-url:XXXXX/.well-known/configuration": dial tcp XXX:XXXXX: connect: connection refused
ERROR: Configuring Anthos authentication failed
[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["很难理解","hardToUnderstand","thumb-down"],["信息或示例代码不正确","incorrectInformationOrSampleCode","thumb-down"],["没有我需要的信息/示例","missingTheInformationSamplesINeed","thumb-down"],["翻译问题","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC)：2025-09-04。"],[],[],null,["# Troubleshoot user login issues\n==============================\n\nThis document provides troubleshooting guidance for FQDN user login issues\nin GKE Identity Service.\n\nClient can't reach GKE Identity Service\n---------------------------------------\n\nThis issue occurs in one of the following cases:\n\n- You're using a GKE version that doesn't support this user login method.\n- The control plane VIP doesn't route the traffic to GKE Identity Service.\n\n### Error message\n\n\u003cbr /\u003e\n\n```\n Error: could not start login. Please check if cluster supports server side authentication. Details: failed to ping well-known endpoint: Get \"https://cluster-url:XXXXX/.well-known/configuration\": dial tcp XXX:XXXXX: connect: connection refused\n ERROR: Configuring Anthos authentication failed\n \n```\n\n\u003cbr /\u003e\n\n### Solution\n\nTo resolve this issue, verify that you're using a GKE version of\n1.28 or higher and the version of the control plane that supports authentication\nusing FQDN access."]]
