: Version 6.1.1 is recommended as an essential upgrade for users of 6.1 to address security vulnerabilities.
: For migrations to the latest vSphere environments, tools like StarWind V2V Converter or Veeam Instant Recovery are frequently recommended as backups if the Standalone Converter fails. Vmware Vcenter Converter Standalone 6.1.1 Download
Main drawbacks
For specific version 6.1.1, you may need to search the VMware support site using a direct knowledge base article or contact VMware support for legacy software access. : Version 6