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Product Version: 9 10.0
Last Modified: 27  15 September 20192020

Contents

Table of Contents
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VM disks are exposed by the Transporter that is assigned to the Backup Repository and mounted to the target hypervisor host.

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NAKIVO Backup & Replication uses TCP port 3260 for VMware and port 10000 for Hyper-V to expose iSCSI targets to ESXi hosts.

If the TCP port is busy on the machine on which the NAKIVO Backup & Replication Transporter is installed, the feature will not work.

The default port number cannot be changed since VMware ESXi hosts are /Hyper-V is always using TCP port 3260it.

Windows Firewall Blocking iSCSI

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If you do not have network adapter iSCSI bindings and do not have issues with Windows firewall, contact us and provide us with detailed information:

  1. Create a support bundle.
  2. Take screenshots of your iSCSI adapter configuration and networking.
  3. Contact  NAKIVO support and provide the collected information.

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iSCSI Port Busy on Transporter

Refer to a similar VMware subsection above for the root cause analysis.

To check if TCP port 10000 is busy, perform the following steps:

  1. Log in to the system console of your NAS or server where NAKIVO Backup & Replication is installed.
  2. Run the following console command: netstat -ant
  3. Check if the command output contains TCP port 10000.

If the command output contains TCP port 10000, this port is already in use and cannot be used by NAKIVO Backup & Replication.

Windows Firewall Blocking iSCSI

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iSCSI Port Busy on Transporter

Refer to a similar VMware subsection above for a solutionIf TCP port 10000 is busy on the machine on which the NAKIVO Backup & Replication Transporter is installed, do one of the following:

  • Remove existing third-party iSCSI targets exposed on this port; or
  • Reconfigure existing third-party iSCSI targets to use a different port.

Windows Firewall Blocking iSCSI

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