License Guide
Requirements Guide
- Overview
- Environment Planning
  This section provides an overview of both software and hardware prerequisites and general environment considerations required for deploying the HCL Unica products.
- Installation Setup
- Minimum System Requirements
  The minimum system requirements are provided as guidance for hardware sizing for deployment of HCL Unica products in a non-production environment.
- Supported Environments
  This section provides an overview of the supported software components for deploying the HCL Unica suite of products.
- Operating System and Databases supported with HCL Unica Journey
- HCL Unica Link Environment Support Details
  HCL Unica Campaign and Journey v25.1.0.1 supports the following HCL Unica Link versions:
- Operating System and Databases supported with HCL Unica Director
- Client Web Browser Support
- Adobe Acrobat Support
  Annotations using the Adobe Acrobat markup feature in Unica Plan are supported only on the following browsers:
- Directory Server Support
- Authentication Provider Support
- Kafka support
- OpenSSL Configurations
  In release 25.1.0.1, for Unica Campaign, we have upgraded the OpenSSL library from v3.0.7 to v3.0.16.
- Redis Support for Unica Interact
  Optionally, in addition to Distributed Ignite caching mechanism, the distributed caching feature on the Cloud-native environment for Unica Interact works with Redis version 6.0.
- Reporting Server Support
- Supported Environments Revisions
  This section provides an overview of changes in the supported software for this version of HCL Unica products.
Fast Upgrade Guide
Reporting Guides

Kafka support


Type	Description
Message Queue Support	For Interact Triggered Messages and Activity orchestrator, Apache Kafka 2.2.2, Kafka 3.4.0, 3.9.0, or later is supported. If Apache Kafka is deployed in a cluster, then Apache ZooKeeper 3.5.5, 3.6.3, or higher is supported.
Kafka Support for Unica Content Integration	Optionally, in addition to in-memory mode, the Autosync feature for Content Integration framework can work with Kafka version 2.13-2.8.1 and Kafka 3.4.0, 3.9.0.
Kafka requirement for Unica Deliver	Optional. For Campaign 12.1.2 and higher, Kafka version 2.13-2.8.1 is required for RCT to start and process responses. Refer Unica Deliver Startup and Admin Guide on how to configure Kafka for Response and Contact tracker utility. Kafka version 3.4.0 and 3.9.0 is also supported for Deliver RCT.
Kafka Support for Unica Interact	Kafka version 3.9.0 is also supported for Unica Interact.