[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間:2025-08-18 (世界標準時間)。"],[[["\u003cp\u003eMigration jobs can experience errors during execution.\u003c/p\u003e\n"],["\u003cp\u003eDiagnosing these errors is essential for resolving migration problems.\u003c/p\u003e\n"],["\u003cp\u003eGuidance is provided for diagnosing migration issues for various database types like Cloud SQL for MySQL, PostgreSQL, AlloyDB for PostgreSQL, and SQL Server.\u003c/p\u003e\n"],["\u003cp\u003eSupport is provided for diagnosing migration issues when migrating from Oracle databases to Cloud SQL for PostgreSQL or AlloyDB for PostgreSQL.\u003c/p\u003e\n"]]],[],null,["# Diagnose migration issues\n\nThis page helps you diagnose and resolve issues that might occur in Database Migration Service\nduring a migration. Depending on your migration scenario, you can troubleshoot\nerrors, debug connectivity, or use other debugging tools.\n\nDiagnose homogeneous migration issues\n-------------------------------------\n\nLearn how to diagnose migration issues for the following homogeneous migrations: \n\n### MySQL to Cloud SQL for MySQL\n\n**Troubleshoot errors**\n\nFind examples of issues and learn how they can be solved.\nFor more information, see\n[Diagnose issues for MySQL](/database-migration/docs/mysql/diagnose-issues).\n\n**Debug connectivity**\n\nUse standard network debugging tools, such as `ping` and `traceroute`.\nFor more information, see\n[Debugging connectivity](/database-migration/docs/mysql/debugging-connectivity).\n\n**Other debugging tools**\n\nUse scripts to diagnose and resolve issues. For more information, see\n[Debugging and other tools](/database-migration/docs/mysql/debugging-tools). \n\n### PostgreSQL to Cloud SQL for PostgreSQL\n\n**Troubleshoot errors**\n\nFind examples of issues and learn how they can be solved.\nFor more information, see\n[Diagnose issues for homogeneous migrations to Cloud SQL for PostgreSQL](/database-migration/docs/postgres/diagnose-issues).\n\n**Debug connectivity**\n\nUse standard network debugging tools, such as `ping` and `traceroute`.\nFor more information, see\n[Debugging connectivity](/database-migration/docs/postgres/debugging-connectivity).\n\n**Other debugging tools**\n\nUse scripts to diagnose and resolve issues. For more information, see\n[Debugging and other tools](/database-migration/docs/postgres/debugging-tools). \n\n### PostgreSQL to AlloyDB for PostgreSQL\n\n**Troubleshoot errors**\n\nFind examples of issues and learn how they can be solved.\nFor more information, see\n[Diagnose issues in PostgreSQL to AlloyDB migrations](/database-migration/docs/postgresql-to-alloydb/diagnose-issues).\n\n**Debug connectivity**\n\nUse standard network debugging tools, such as `ping` and `traceroute`.\nFor more information, see\n[Debugging connectivity](/database-migration/docs/postgresql-to-alloydb/debugging-connectivity).\n\n**Other debugging tools**\n\nUse scripts to diagnose and resolve issues. For more information, see\n[Debugging and other tools](/database-migration/docs/postgresql-to-alloydb/debugging-tools). \n\n### SQL Server to Cloud SQL for SQL Server\n\n**Troubleshoot errors**\n\nFind examples of issues and learn how they can be solved.\nFor more information, see\n[Diagnose issues for SQL Server](/database-migration/docs/sqlserver/diagnose-issues).\n\nDiagnose heterogeneous migration issues\n---------------------------------------\n\nLearn how to diagnose migration issues for the following heterogeneous migrations: \n\n### Oracle to Cloud SQL for PostgreSQL\n\n**Troubleshoot errors**\n\nFind examples of issues and learn how they can be solved.\nFor more information, see\n[Diagnose issues in Oracle to Cloud SQL for PostgreSQL migrations](/database-migration/docs/oracle-to-postgresql/diagnose-issues).\n\n**Debug connectivity**\n\nUse one of the proposed mitigation strategies.\nFor more information, see\n[Connectivity issues](/database-migration/docs/oracle-to-postgresql/diagnose-issues#connectivity-issues). \n\n### Oracle to AlloyDB for PostgreSQL\n\n**Troubleshoot errors**\n\nFind examples of issues and learn how they can be solved.\nFor more information, see\n[Diagnose issues in Oracle to AlloyDB for PostgreSQL migrations](/database-migration/docs/oracle-to-alloydb/diagnose-issues).\n\n**Debug connectivity**\n\nUse one of the proposed mitigation strategies.\nFor more information, see\n[Connectivity issues](/database-migration/docs/oracle-to-alloydb/diagnose-issues#connectivity-issues). \n\n### SQL Server to Cloud SQL for PostgreSQL\n\n**Troubleshoot errors**\n\nFind examples of issues and learn how they can be solved.\nFor more information, see\n[Diagnose issues for SQL Server to Cloud SQL for PostgreSQL migrations](/database-migration/docs/sqlserver-to-csql-pgsql/diagnose-issues).\n\n**Debug connectivity**\n\nUse one of the proposed mitigation strategies.\nFor more information, see\n[Connectivity issues](/database-migration/docs/sqlserver-to-csql-pgsql/diagnose-issues#connectivity-issues). \n\n### SQL Server to AlloyDB for PostgreSQL\n\n**Troubleshoot errors**\n\nFind examples of issues and learn how they can be solved.\nFor more information, see\n[Diagnose issues for SQL Server to AlloyDB for PostgreSQL migrations](/database-migration/docs/sqlserver-to-alloydb/diagnose-issues).\n\n**Debug connectivity**\n\nUse one of the proposed mitigation strategies.\nFor more information, see\n[Connectivity issues](/database-migration/docs/sqlserver-to-alloydb/diagnose-issues#connectivity-issues)."]]