To upgrade an Acronis Access clustered configuration, you need to upgrade both the Acronis Access Server and the Gateway Servers in your Cluster Group. For instructions on upgrading the Access Server, visit the Upgrading from Acronis Access to a newer version article and for each Gateway, you will need to do the following procedure.
For information on upgrading a Microsoft Failover Clustering configuration, visit the Supplemental Material section.
Upgrading a Gateway Server
Run the Acronis Access installer on the desired server.
Press Next on the Welcome screen.
Read and accept the license agreement.
Click Custom.
Select only the Acronis Access Gateway Server component and press Next.
Review the components and press Install.
Once the installation finish, review the Summary, and close the installer. You will be prompted to open the Configuration Utility. Open it to review that all of your previous Gateway Server settings are in place. Make any changes if necessary and press OK.