Azure Service Retirements & Break Changes

Dec ‘24 – Mar ‘25

As the Azure portfolio of services grows and changes, there are services that will become end of life where you’ll need to react to these changes ahead of time. At Ultima, we keep on top of ones that we feel may impact our customer base the most.

If this is the case or you need some advice please feel free to contact us or your account manager where our in-house cloud professional services team can assist in minimising any impact and keep your Azure environment running smoothly.

TLS 1.0 and 1.1 end of life in Azure Front Door

All connections to Azure Front Door must use Transport Layer Security (TLS) 1.2 or later, as support for TLS 1.0 and 1.1 on Azure Front Door will be discontinued starting Dec 1st, 2024. The TLS versions 1.2 and later offer improved security with features such as perfect forward secrecy and stronger cipher suites.

Apache Spark 3.3 in Azure Synapse

Azure Synapse runtime for Apache Spark 3.3 will be retired and disabled March 2025. End of Support for Azure Synapse Runtime for Apache Spark 3.3 was announced on July 12th, 2024. We recommend that you upgrade your Apache Spark 3.3-based workloads to Azure Synapse Runtime for Apache Spark 3.4

Azure HDInsight 4.0 Azure

HDInsight 4.0 for cluster shapes Hadoop, Kafka, HBase and Interactive Query will retire on 31 March 2025, please transition to HDInsight 5.1 by that date. Customers running HDInsight 4.0 will no longer receive support and no new clusters can be created after the retirement date.

Azure App Service Web Apps Disaster Recovery configurations

Beginning 31 March 2025, Microsoft Azure will no longer place Azure App Service web applications in disaster recovery mode in the event of a disaster in an Azure region. Therefore, other disaster recovery architectures will need to be implemented to protect against a regional outage.