DNS アドレス（Cloud Run など）を使用してメッセージを Google の宛先に転送するパイプラインで HTTP 503 Service Unavailable エラーが発生した場合は、ネットワーク アタッチメントで使用されるサブネットで限定公開の Google アクセスが有効になっていることを確認してください。有効になっていないと、DNS アドレスを解決できません。
[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["わかりにくい","hardToUnderstand","thumb-down"],["情報またはサンプルコードが不正確","incorrectInformationOrSampleCode","thumb-down"],["必要な情報 / サンプルがない","missingTheInformationSamplesINeed","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["その他","otherDown","thumb-down"]],["最終更新日 2025-07-10 UTC。"],[[["Eventarc Advanced is a pre-GA feature, subject to specific terms and with limited support."],["HTTP `503 Service Unavailable` errors can occur if Private Google Access is not enabled on the subnet when routing messages to Google destinations using a DNS address."],["Customer-managed encryption key (CMEK) issues, such as disabled keys, exceeded quotas, mismatched regions, or organization policy constraints, can impact Eventarc resources, and the solutions are detailed."],["During event delivery, CMEK-related issues, like disabled keys, exceeded quotas, or permission errors, can occur, each with specific troubleshooting steps."],["For issues with externally managed keys via Cloud External Key Manager (Cloud EKM), refer to the Cloud EKM error reference for guidance."]]],[]]
