To improve security and availability, Azure infrastructure is making a change that may affect all Service Fabric clusters that belong to scenarios mentioned in the “Impacted Service Fabric Clusters” section.
To avoid service disruptions, please take the recommended action to upgrade to one of the compatible supported versions listed below by January 19,2021. We have also posted an Upgrade alert on the Service Fabric supported versions page.
Service Fabric clusters will not come up and will be unavailable if you have not upgraded to one of below supported versions.
Impacted Service Fabric Versions
Azure Service Fabric clusters which run on unsupported versions from 5.7 to 6.3.63.*
Upgrade Service Fabric clusters as soon as possible by January 19th to versions listed below which include the necessary compatibility and will prevent downtime to clusters or loss of functionality. These versions are available in all regions.