Help Center/ Server Migration Service/ FAQs/ Error Codes and Solutions

Updated on 2026-02-27 GMT+08:00

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Error Codes and Solutions

SMS.0202 AK/SK Authentication Failed. Ensure that the AK and SK Are Correct

SMS.0203 Connection from Source Server to API Gateway Timed Out

SMS.0204 Insufficient Permissions. Obtain the Required Fine-grained Permissions

SMS.0205 Incorrect System Time or Time Zone on Source Server

SMS.0206 Only x86 Servers Can Be Migrated

SMS.0208 Failed to Send Your Service Statement Confirmation to SMS

SMS.0210 Failed to Create File on Target Server

SMS.0212 Agent Restarted

SMS.0219 Failed to Obtain Temporary Credential from Configuration File

SMS.0301 Failed to send the network request. Cause: %s

SMS.0303 Unable to Access Domain Name

SMS.0304 SSL/TLS Authentication Failed

SMS.0305 Failed to connect to the proxy server.

SMS.0410 Failed to Obtain NIC Information

SMS.0412 Target Server Does Not Exist

SMS.0515 Migration Failed. Source Disk Information Has Changed. Delete Target Server Configuration and Restart the Agent

SMS.0609 An Older Version of Agent Is Detected. Please Exit the Current Program, Uninstall the Old Agent Completely, and Install the Newest One

SMS.0805 Failed to Migrate Partition to Target Server

SMS.0806 Failed to Synchronize Partition to Target Server

SMS.0807 Network Error Between Source and Target Servers

SMS.1104 Failed to Detach Disk xx

SMS.1113 Failed to Reconfigure Partition Details on the Target Server

SMS.1105 Disk Creation Failed

SMS.1106 Failed to Delete Disk XX

SMS.1204 Failed to Create File on Source Server

SMS.1205 Failed to Load WMI

SMS.1315 Insufficient free disk space on target partition xxxx.

SMS.1351: Mount Point /xxx Detected on the Source Server, Which Has No Free Space. Ensure that there is at least 5 MB of space.

SMS.1352: Unknown Physical Volumes Detected on the Source Server

SMS.1353: Bind Mount or Repeated Mount Detected on /xxx of the Source Server

SMS.1402 SSH Client Not Installed

SMS.1414 The Migration Module Stopped Abnormally and Cannot Synchronize Data

SMS.1807 Failed to Connect to the Target Server. Check Whether Its IP Address Is Reachable and Confirm that Port 8900 Is Enabled

SMS.1901 Agent Could Not Read Disk Information

SMS.1902 Failed to Start the I/O Monitoring Module

SMS.1904 Failed to Create a Snapshot for the Windows Server

SMS.1913 Failed to check the I/O monitoring disks.

SMS.2802 Failed to Connect to the Target Server. Check Whether Its IP Address Is Reachable and Port 8899 Is Enabled

SMS.3102 Failed to Modify the initrd File on the Target Server

SMS.3205 Failed to Mount Partition XXX to Directory XXX

SMS.3802 Failed to Establish an SSH Connection with the Target Server

SMS.3803 The Connection to the Port 22 of Target Server Failed Because an Error Occurred During the Public Key Verification on the Target Server

SMS.3804 The Connection to the Port 22 of Target Server Failed Due to Invalid Connection Credential

SMS.3805 The Connection to the Port 22 of Target Server Timed Out

SMS.3806 The Connection to the Port 22 of Target Server Was Rejected

SMS.5102 Agent Startup Failed Because the noexec Permission Is Unavailable on /tmp in Linux

SMS.5105 Agent Startup Failed. Insufficient Permissions to Add Files to or Delete Files from xxx

SMS.5108 Failed to Execute df -TH

SMS.5112: Agent Main Program linuxmain Could Not Run

SMS.5113 Check %s on Linux Timed Out

SMS.6303 The Installed Agent Is of an Earlier Version. Download the Latest Version

SMS.6509 Incompatible File System of the Source Server

SMS.6511 The Source Server Lacks Driver Files

SMS.6517 rsync Not Installed on the Source Server

SMS.6520 The source server is not available.

SMS.6526 Insufficient Quota

SMS.6528 Complete Real-name Authentication to Invoke SMS APIs

SMS.6533 VSS Not Installed on the Source Server

SMS.6537 SMS Cannot Migrate System Disks Larger Than 1 TB

SMS.6564 Component i386-pc Not Found on Source Server. For Solution, See SMS API Reference

SMS.6563 File initrd or initramfs of the xxxx Version Not Found Under /boot Directory. For solution, see SMS API Reference

SMS.6616 The Current OS Does Not Support Block-level Migration/SMS.6617 The Current Kernel Version Does Not Support Block-level Migration

SMS.9007 Migration Task Paused. Rate Limit Not Applied. Rate Exceeded Limit Multiple Times

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