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This document describes the recommended procedure for upgrading to its most current release.

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Before You Begin

Software upgrades should be performed during off peak hours.
Before upgrading or staging an upgrade, its recommended to set all Logging to Error level unless advised by Sonus support. For information about logging, see Supported Logging Levels.

You will need current software maintenance to perform the upgrade.

Read the release notes for the target software version. The upgrade notes (in particular) contain important information that may be relevant to your configuration. A newer version of may have different requirements than the previous version.

Make sure your environment still complies with the requirements and supported platforms.
The End of Support Announcements for SBC Edge and SWe Lite page has important information regarding platform support for future versions of .

You must Backup your Sonus SBC Edge data in the unlikely event that you encounter an issue with your upgrade and need to 'roll back' by downgrading back.

Sonus recommends renaming the backup filename to indicate the current software version and build number. For example, rename the backup to Sonus SBC 1000/2000-1.3.0-b80.tar.gz if you are currently running a version 1.3.0 build 80.

In the event of new alarms raised after upgrading the , ensure you have no outstanding alarms before upgrading the . To clear alarm(s), follow the instructions outlined in Acting on Displayed Alarms.
If you encounter any problems with your production upgrade that you cannot resolve in a timely manner, create an issue at our support site so we can assist you.

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Performing the Upgrade

Refer to the appropriate upgrade instructions below for your hardware configuration:

Prepare to Upgrade the SBC 1000/2000 with a Built-in ASM
Upgrade the SBC 1000/2000

Starting in Release 5.0, Sonus ASM will be using Windows Server 2012R2 in order to prepare for Skype for Business SBA.

To upgrade your SBC to Skype for Business SBA, see Skype for Business - Best Practice Upgrade to Skype for Business 2015 SBA.
To use Lync 2010 SBA after Release 5.0, see Skype for Business - Best Practice Downgrade to Lync 2010 SBA.
To use Lync 2013 SBA on Windows Server 2008R2, see Best Practice Downgrade to Lync 2013 SBA for Windows Server 2008R2.
To upgrade to Lync 2013 SBA on Windows Server 2012R2, see Skype for Business - Best Practice Upgrade to Lync 2013 SBA on Windows Server 2012 R2.

Prepare to Upgrade the with a Built-in ASM

You now may proceed with upgrading the ; follow the instructions below.

Upgrade the

From the Sonus SBC Edge Download Center, download the sw-release-x.y.zfile where x.y.z indicates the version number you are upgrading to:
- Model - the filename uses file extension .img.
- Model - the filename uses file extension .img.
Select the desired upgrade method:
- Upgrade and activate new version in a single step - use the One-Step Upgrade
- Upgrade and activate new version during maintenance hours - Upgrading the Inactive Partition – SBC Edge
Ensure the has upgraded by verifying the running SBC Edge software version.

Congratulations, you have completed upgrading the ! Proceed to the Upgrade Check List.

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Post-upgrade Check List

You must clear your web browser cache before you login to the .
- Clearing the browser cache on Internet Explorer
- Clearing the browser cache on Mozilla Firefox
Perform a backup of your data on the new version. Similarly to the backup preformed in step 3 of the Before You Begin section above, we recommend you rename the backup filename to indicate the current software version and build number.
Ensure there are no new alarms generated after the upgrade. In the event of finding new alarms, address what is causing them.