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This article describes how to upgrade Nexus Hybrid Access Gateway, either from the admin GUI or from the console. This instruction is written with examples from upgrading Hybrid Access Gateway from the release 5.8 to 5.9. 

A red Upgrade button in the Hybrid Access Gateway admin interface, shows that there are new releases available.


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Prerequisites

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titlePrerequisites

Before upgrading Hybrid Access Gateway, make sure that the following things apply:

How to upgrade from admin GUI

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titleLog on to administration interface
  1. Log on to the administration interface with your admin user.


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titleDownload new version
  1. If there are newer versions, the upgrade button is marked red. Click Upgrade.
    Newer versions are shown.
  2. Download the latest version.
    The new version is downloaded in the background. You can log out, and the download will proceed. The download normally takes a few minutes, depending on your internet connection. When the download is finished, Status is set to Ready


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titleUpgrade new version
  1. For the downloaded version, click Upgrade.
  2. Click Yes to confirm the upgrade. When you confirm the upgrade, the system will be out of service for a short while. The services are turned off, the configuration data is migrated to the new version, and the system is rebooted. 


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titlePublish updates
  1. Log on to the administration interface with your admin user.
    The Upgrade button is not marked red anymore. The Publish button is marked blue, because the configuration data has been migrated.
  2. Click Publish. The upgrade is done. 

How to upgrade from console

Hybrid Access Gateway can be upgraded from the console, for example when the deployment is distributed. For distributed deployment of HAG, several appliances with different services on, the web administrator interface is only available on the node hosting the administration service. On the other nodes, upgrade using the console instead. It can be done directly in the console or through ssh, for example. 

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titleLog on to console
  1. Log in to the console with User Name: agadmin.


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titleDownload new version
  1. Select 3) Upgrade System
  2. Select 1) Download
    Available newer versions are displayed. Select the latest version. Download starts. Progress and estimated time left is shown. 


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titleUpgrade to new version
  1. Select 3) upgrade ([downloaded new version])
  2. Do you want to continue? (y/n). Confirm by typing "y"
    When you confirm the upgrade, the system will be out of service for a short while. The services are turned off, the configuration data is migrated to the new version, and the system is rebooted.


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titlePublish updates
  1. When the reboot is finished, on the node hosting the admin service, log on to the web based administration interface and click Publish


Video tutorial

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urlhttps://www.youtube.com/watch?v=JkxJWr4cP5Y&list=PL30XJMN7yL-SiZ05KwIdMl7Q_pMM959je&index=4
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