- Release Notes and Announcements
- Release Notes
- Announcements
- Announcement on Changing External Network Links
- Interface Authentication Upgrade Announcement
- Maintenance Time Change from Local Time to Beijing Time
- Account Type and Permission Changes
- Product Architecture Name Change
- Disk Storage Space Composition Change
- Ending Support for Classic Network [2022.12.31]
- Backup Billing Start [2022.07.10]
- Ending Sale for Basic Edition 1-Core Specification [2022.03.07]
- User Guide
- Product Introduction
- Purchase Guide
- Getting Started
- Operation Guide
- Constraints and Limits
- Usage Specifications and Suggestions
- Maintaining Instance
- Renaming Instance
- Setting Instance Remarks
- Setting Instance Tag
- Setting Instance Project
- Modify Instance-level Character Set Collation
- Modify System Time Zone
- Setting Instance Maintenance Information
- Multi-AZ Disaster Recovery
- Restarting Instance
- Terminating Instance
- Migrating Across AZs
- Manual Primary-Secondary Switching
- Recycle Bin
- Adjusting Instance Configuration
- Read-Only Instance
- Network and Security
- Account Management
- Database Management
- Data Security
- Parameter Configuration
- Monitoring and Alarms
- Backup and Restoration
- Log Management
- Publish-Subscribe
- SSIS
- Data Migration (New)
- Data Migration (Legacy)
- Practical Tutorial
- API Documentation
- History
- Introduction
- API Category
- Sales and fee related APIs
- Network management related APIs
- Account management related APIs
- Instance Management APIs
- Data security encryption related APIs
- Parameter configuration related APIs
- Log management related APIs
- Extended Event APIs
- Read only instance management related APIs
- Backup APIs
- Rollback APIs
- Data migration (cold standby migration) related APIs
- CreateBackupMigration
- ModifyBackupMigration
- StartBackupMigration
- DescribeBackupMigration
- DeleteBackupMigration
- DescribeUploadBackupInfo
- CreateIncrementalMigration
- ModifyIncrementalMigration
- StartIncrementalMigration
- DescribeIncrementalMigration
- DescribeBackupCommand
- DescribeBackupUploadSize
- DeleteIncrementalMigration
- Data migration (DTS old version) related APIs
- Making API Requests
- Database APIs
- Other APIs
- Data Types
- Error Codes
- FAQs
- Overview
- Model Selection
- Pricing and Selection
- Connection and Network
- Account and Permission
- Backup and Rollback
- Data Migration
- Publish/Subscribe
- Read-Only Instance
- Version and Architecture Upgrade
- Disk Space and Specification Adjustment
- Monitoring and Alarms
- Log
- Parameter Modification
- Features
- Performance/Space/Memory
- Service Agreement
- Performance Evaluation
- Glossary
- Contact Us
- Release Notes and Announcements
- Release Notes
- Announcements
- Announcement on Changing External Network Links
- Interface Authentication Upgrade Announcement
- Maintenance Time Change from Local Time to Beijing Time
- Account Type and Permission Changes
- Product Architecture Name Change
- Disk Storage Space Composition Change
- Ending Support for Classic Network [2022.12.31]
- Backup Billing Start [2022.07.10]
- Ending Sale for Basic Edition 1-Core Specification [2022.03.07]
- User Guide
- Product Introduction
- Purchase Guide
- Getting Started
- Operation Guide
- Constraints and Limits
- Usage Specifications and Suggestions
- Maintaining Instance
- Renaming Instance
- Setting Instance Remarks
- Setting Instance Tag
- Setting Instance Project
- Modify Instance-level Character Set Collation
- Modify System Time Zone
- Setting Instance Maintenance Information
- Multi-AZ Disaster Recovery
- Restarting Instance
- Terminating Instance
- Migrating Across AZs
- Manual Primary-Secondary Switching
- Recycle Bin
- Adjusting Instance Configuration
- Read-Only Instance
- Network and Security
- Account Management
- Database Management
- Data Security
- Parameter Configuration
- Monitoring and Alarms
- Backup and Restoration
- Log Management
- Publish-Subscribe
- SSIS
- Data Migration (New)
- Data Migration (Legacy)
- Practical Tutorial
- API Documentation
- History
- Introduction
- API Category
- Sales and fee related APIs
- Network management related APIs
- Account management related APIs
- Instance Management APIs
- Data security encryption related APIs
- Parameter configuration related APIs
- Log management related APIs
- Extended Event APIs
- Read only instance management related APIs
- Backup APIs
- Rollback APIs
- Data migration (cold standby migration) related APIs
- CreateBackupMigration
- ModifyBackupMigration
- StartBackupMigration
- DescribeBackupMigration
- DeleteBackupMigration
- DescribeUploadBackupInfo
- CreateIncrementalMigration
- ModifyIncrementalMigration
- StartIncrementalMigration
- DescribeIncrementalMigration
- DescribeBackupCommand
- DescribeBackupUploadSize
- DeleteIncrementalMigration
- Data migration (DTS old version) related APIs
- Making API Requests
- Database APIs
- Other APIs
- Data Types
- Error Codes
- FAQs
- Overview
- Model Selection
- Pricing and Selection
- Connection and Network
- Account and Permission
- Backup and Rollback
- Data Migration
- Publish/Subscribe
- Read-Only Instance
- Version and Architecture Upgrade
- Disk Space and Specification Adjustment
- Monitoring and Alarms
- Log
- Parameter Modification
- Features
- Performance/Space/Memory
- Service Agreement
- Performance Evaluation
- Glossary
- Contact Us
Check Details
The target instance cannot contain the database to be migrated; otherwise, an error will be reported with the details: "The database to be migrated already exists in the target instance."
The provided migration account must be able to be logged in normally; otherwise, an error will be reported with the details: "The provided migration account cannot be logged in."
The name of the database to be migrated cannot contain sensitive characters; otherwise, an error will be reported with the details: "The name of the database to be migrated contains sensitive characters."
The name of the database to be migrated should comply with standards; otherwise, an error will be reported with the details: "The name of the database to be migrated does not comply with standards. Database names must consist of letters, numbers, and underscores, and must start with a letter."
The name of the database to be migrated should be at least 1 character long; otherwise an error will be reported with the error details: "The name of the database to be migrated must be at least 1 character long."
The name of the database to be migrated cannot exceed 64 characters; otherwise an error will be reported with the error details: "The name of the database to be migrated cannot exceed 64 characters."
Fixing Method
Serial Number | Error Details | Fixing Method |
1 | The database to be migrated already exists in the target instance. | Please change the database to be migrated in the source instance or delete the database with the same name as the database to be migrated in the target instance. |
2 | The provided migration account cannot be logged in. | 1. Please check if the source instance is already in the Running state. 2. Please check if the port of the source instance is being blocked by a firewall security group. 3. Please check if the port of the source instance is entered incorrectly. 4. Please check if the account and password of the source instance are entered incorrectly. |
3 | The name of the database to be migrated contains sensitive characters. | Please change the database to be migrated in the source instance or rename the database to remove illegal characters before migration. |
4 | The name of the database to be migrated does not comply with standards. Database names must consist of letters, numbers, and underscores, and must start with a letter. | Please change the database to be migrated in the source instance or rename the database according to naming standards before migration. |
5 | The name of the database to be migrated must be at least 1 character long. | Please change the database to be migrated in the source instance or rename the database according to naming standards before migration. |
6 | The name of the database to be migrated cannot exceed 64 characters. | Please change the database to be migrated in the source instance or rename the database according to naming standards before migration. |
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