If the error persists, the GUI won't tell you why, but the logs will.
The VMware vCenter Converter Standalone is a powerful tool, but it often hits a wall when dealing with Linux distributions. One of the most frustrating errors is the "Unable to query the live Linux source machine" message. This error usually triggers during the initial source selection phase, preventing you from even starting the conversion process. Essential Prerequisites
Add the following line for your user: username ALL=(ALL) NOPASSWD: ALL . If the error persists, the GUI won't tell
On the machine running Converter, go to: %ALLUSERSPROFILE%\VMware\VMware vCenter Converter Standalone\logs .
Before diving into deep troubleshooting, ensure these basic requirements are met. Most "unable to query" errors stem from simple configuration oversights. Port 22 must be open on the source machine. This error usually triggers during the initial source
The "query" process involves the Converter scanning the source machine's partition table and filesystem. If there are inconsistencies, the process will hang.
The Converter uses SFTP to transfer helper files. Ensure the SFTP subsystem is enabled in your sshd_config file. Look for a line like: Subsystem sftp /usr/libexec/openssh/sftp-server 2. Resolve DNS and Hostname Issues Before diving into deep troubleshooting, ensure these basic
Ensure your Linux kernel and distribution version are compatible with your Converter version. 1. Verify SSH Server Configuration