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Installation Guide
Microsoft Windows installation
This section describes how to install Link using the Windows Installer.

Installation Guide
- Introduction to Unica Link
  Unica Link is a component that can be installed separately from the Unica application.
- Unica Link prerequisites
  Ensure that these prerequisites are met before installing Unica Link.
- Microsoft Windows installation
  This section describes how to install Link using the Windows Installer.
  - Licensing
  - Installation prerequisites
    Unica Link requires the Link Runtime server to be installed.
  - Starting and stopping Unica Link
    After installation, to start and stop Link, complete the following steps:
  - Accessing Unica Link
    After the Link is installed, user can access the server by pointing the Web browser to local URL https://localhost:<port>/login.
  - Customizing the installation
    You can customize Link by editing settings in the file C:\HCL\Link_<version-number>\config\config.yaml.
  - Customizing the Redis and Link Database
    Link installation includes Redis server. If you want to use a preinstalled Redis server, you must customize your Link installation.
  - Customizing Link URL and Selecting HTTPS protocol
    The Link default URL: https://localhost:4443/login uses HTTPS protocol on port 4443.
  - Installing connectors
    Use these steps to install connectors:
  - Setting up Campaign
    Steps to set up Campaign.
  - Setting up Journey
    Steps to set up Journey.
  - Uninstalling Link
    To uninstall Link, complete the following steps:
  - Verify that the following ports are available on your machine
    The following table lists the required ports and the corresponding Link configuration properties:
  - Installing Apache Kafka-link
    These instructions describe how to install Apache Kafka-link on Windows.
  - Installing Link Offline
  - Troubleshooting the installation
    In the case of Link Install, Start, or Stop errors, review the logs files from the following folders:
- Linux Installation
  You can install Unica Link in two modes:
- Setting up Journey and Campaign for Unica Link
- Logging
  Logs are produced for your use by Link, the Runtime REST API, and Kafkalink.
- Enabling Unica Link to run on HTTP protocol for Windows and Linux Installation
- Configuring SSL Certificates for Link
  After installing Link, setup the custom SSL certificates for the Link web UI and the Link runtime application server.
- Encrypting the password in the properties file
  To enhance security and safeguard sensitive information, encrypt the password stored in the properties file to add a layer of protection to the data.
- Troubleshooting
- Known issues
  Summary of known issues in this version of the product.

Microsoft Windows installation

This section describes how to install Link using the Windows Installer.

Install Unica Link runtime using the Windows Link installer (do not provide the Flexnet license).
Open command prompt with administrator privileges, access the Link installation location, and execute the following command:
```
Copy C:\<Link installation location>\.passport.platform to C:\<Link installation location>\.passport
```
Enable the Unica application to embed the Link UI. Customize the Link configuration by changing the value of the HIP_XCONTENT_POLICY_URLS parameter in C:\HCL\Link_<version-number>\config\config.yaml. The value must be set to a coma separated list of URLs that point to Unica Journey and Unica Campaign WEB application servers. For example, the URLs can be http://ipaddress:port or http://hostname:port which point to Unica Journey and Unica Campaign WEB application servers. To apply the changes, run the Link client update utility C:\HCL\Link_<version-number>\DesignServer\updateclient.bat after customization. For more information, see Customizing the installation.
If the URLS are not set correctly Unica cannot access Link in iframe and you will see error while loading Link in iframe.

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