Veeam Install Error - "Selected ... port is not available."

KB ID: 4189
Product: Veeam Disaster Recovery Orchestrator
Veeam ONE
Veeam Backup & Replication
Veeam Service Provider Console
Published: 2021-07-15
Last Modified: 2021-07-15
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Challenge

During the initial installation of Veeam applications, the install wizard has a page where service ports may be specified. When moving to the next page of the install wizard, an error may be displayed regarding a Selected port not being available.
port is not available example
Expand each Veeam product name below for specific error text examples.
Veeam Backup & Replication
  • Selected Veeam Backup Catalog service port is not available.
  • Selected Veeam Backup & Replication service port is not available.
  • Selected Veeam Backup & Replication secure connections port is not available.
  • Selected RESTful API service port is not available.
Veeam Backup & Replication port config page
Veeam Backup Enterprise Manager
  • Selected website HTTP port is not available.
  • Selected website HTTPS port is not available.
  • Selected Veeam Backup Restful API service HTTP port is not available.
  • Selected Veeam Backup Restful API service HTTPS port is not available.
  • Selected Veeam Backup Enterprise Manager service port is not available.
  • Selected Veeam Backup Catalog service port is not available.
 Backup Enterprise Manager Port Config
Veeam ONE
  • Selected   is not available.
    Note: This error may be related to Communication Port or Internal Web API Port.
  • Selected Veeam ONE website port is not available.
  • Selected Veeam ONE agent port is not available.
Veeam ONE Port Config
Veeam Availability Orchestrator Setup 
  • Selected Veeam Backup Catalog service port is not available.
  • Selected Veeam Backup & Replication service port is not available.
  • Selected Veeam Backup & Replication secure connections port is not available.
  • Selected Veeam Backup RESTful API service port is not available.
  • Selected Reporter web site port is not available.
  • Selected Veeam ONE agent port is not available.
  • Selected Veeam ONE communication port is not available.
  • Selected Veeam ONE Web API port is not available.
  • Selected Veeam Availability Orchestrator Server service port is not available.
  • Selected Veeam Availability Orchestrator Server WCF service port is not available.
  • Selected Veeam Availability Orchestrator Web UI port is not available.
VAO Port Config
Veeam Service Provider Console
  • Selected Veeam Service Provider Console communication port is not available.
  • Selected Veeam Service Provider Console management port is not available.
  • Selected Veeam Service Provider Console website and RESTful API v3 port is not available.
  • Selected Veeam Service Provider Console RESTful API v2 port is not available.
  • Selected communication port for ConnectWise Manage plugin is not available.
VSPC Port Config

Cause

Upon clicking [Next] on the page of the installer where ports are defined, the installer checks if the specified ports are in use. The pop-up error occurs If a port is detected as being in use.

Solution

Identify and terminate the process using the port related to the error, then proceed with the installation of the Veeam software.

The following PowerShell script can be used to identify the process identifier number (PID) and process name using the specified port.
Get-Process -Id (Get-NetTCPConnection -LocalPort 9393).OwningProcess | ft Id,ProcessName
For environments where PowerShell has been disabled, the following command can be used to determine the PID of the process using the port.
netstat -nbao | find "9393"
The examples above are for the error "Selected Veeam Backup Catalog service port is not available." and assume the default port of 9393.
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