Data Transfer Service
- Release Notes and Announcements
- Announcements
- Product Introduction
- Specification Description
- Preparations
- Network Preparation
- Interworking Between local IDC and Tencent Cloud
- Adding DTS IP Addresses to the Allowlist of the Corresponding Databases
- DTS Service Permission Preparation
- Data Migration
- Migration to MySQL Series
- Migrating to MySQL
- Migrating to MariaDB
- Migrating to TDSQL-C for MySQL
- Migrating to TDSQL MySQL
- Migrating to TDSQL TDStore
- Advanced Operations for MySQL Series Migration
- Processing for MySQL Series Pre-Check Failure
- Migrating to PostgreSQL
- Processing for PostgreSQL Series Pre-Check Failure
- Migrating to MongoDB
- Migration from MongoDB to MongoDB
- Fix for Verification Failure
- MongoDB Data Consistency Verification
- Migrating to SQL Server
- Migration from SQL Server to TencentDB for SQL Server
- Pre-Validation Failure Handling
- Migrating to TencentDB for Redis
- Migration from Redis to Redis
- Fix for Verification Failure
- Migrating to KeeWiDB
- Migration from Redis to KeeWiDB
- Task Management
- Data Sync
- Sync to MySQL series
- Sync to MySQL
- Sync to MariaDB
- Sync to TDSQL-C for MySQL
- Sync to TDSQL for MySQL
- Sync from TDSQL for MySQL to TDSQL for MySQL
- Sync to TDSQL TDStore
- MySQL Series Advanced Sync Operations
- MySQL series Pre Validation Failed Processing
- Synchronize to PostgreSQL
- PostgreSQL Pre Validation does not Pass Processing
- Synchronize to Kafka
- MySQL/MariaDB/Percona/TDSQL-C MySQL Sync to Kafka
- TDSQL MySQL Sync to Kafka
- Task Management
- Data Subscription (Kafka Edition)
- MySQL series Data Subscription
- Consuming MySQL Data
- Advanced Subscription Operations
- Fix for Verification Failure
- Data Subscription for TDSQL PostgreSQL
- Fix for Verification Failure
- MongoDB Data Subscription
- Fix for Verification Failure
- Task Management
- Consumption Management
- Fix for Verification Failure
- Monitoring and Alarms
- Configuring Metric Alarms and Event Alarms via the Console
- Practical Tutorial
- FAQs
- Error Handling
- API Documentation
- Making API Requests
- (NewDTS) Data Migration APIs
- Data Sync APIs
- Data Consistency Check APIs
- (NewDTS) Data Subscription APIs
- DTS API 2018-03-30
- Data Subscription APIs
- Making API Requests
- DTS APIs
- Service Agreement
DocumentationData Transfer ServiceData MigrationMigrating to PostgreSQLProcessing for PostgreSQL Series Pre-Check FailureDatabase Connection Check
Database Connection Check
Last updated: 2024-07-08 19:56:53
Check Details
The source and target databases need to be normally connected, and if not, a connection failure will be reported.
Causes
The network or server where the source database resides has a security group or firewall configured. For more information, see Failed Connectivity Test > Security Group or Firewall Configured in Network or Server of Source Database.
The source IP addresses are blocked by the source database. For more information, see Failed Connectivity Test > Source IP Addresses Blocked in Source Database.
The network port is closed. For more information, see Failed Connectivity Test > Closed Network Port.
The database account or password is incorrect.
Troubleshooting
Refer to the causes above based on the actual scenario and troubleshoot as instructed.
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