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When adding a Transporter to the product as an installed service, you should modify it according to your needs and size of your virtual environment.

This can be done in the Settings section of the Installed Service dialog. You can enable or disable the debug logging mode, enter data transfer ports, and specify the number of concurrent tasks that the Transporter can process simultaneously. If later you need to change these settings, configure the Transporter accordingly.

Enable/Disable Debug Logging 

Debug logging mode is a troubleshooting tool. When enabled, it allows you to identify and eliminate errors related to all Transporter events. Please note that the debug logging mode can only be used for new jobs and recovery sessions. Also, it’s not recommended to use it permanently. 

Data Transfer Ports

By default, a Transporter follows the Director’s commands at port 9446, but you can specify a different port. Transporters use an additional range of ports to receive data from other Transporters. Minimum range of ports per Transporter is 100. The default port range is 9448-10000.

Before you create a job, make sure that the ports you’ve specified are open in your firewall.


By default, the product is set to perform 6 concurrent tasks simultaneously. The tasks include backup or replication of a VM disk, or a granular recovery session. For example, one task can be equal to backup of 1 VM disk or 1 granular recovery session. When choosing the optimal number of concurrent tasks, consider the size of your infrastructure and hardware characteristics. The maximum number of concurrent tasks per Transporter is 1024.  

Starting from v9.1, NAKIVO Backup & Replication also allows to assign additional concurrent tasks that will be used for recovery jobs only. Enable this option if you need to run recovery jobs along with backup/replication jobs on the same Transporter. This feature can be set when installing or deploying an additional Transporter. To configure the existing Transporters, use the Transporter editing feature. 

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