GroupWise 18.1 or higher.
Install the Module License. See Submitting a PEM License in Retain 4.10.1: Installation and Upgrade.
Install the REST License. See Installing a REST License in Retain 4.10.1: Installation and Upgrade.
Make sure you have completed the instructions in First, Configure the Retain Server or Router Connection.
Create a REST collector under Server Configuration in the REST Collectors Panel.
Export the REST key and secret.
Enter the REST key and secret, Tenant ID, Retain server address or hostname and port into GroupWise Administration | GroupWise Messenger Archive.
Open the module to configure.
Path: Retain Server Manager > Configuration > Module Configuration > GW Messenger-Configure > Core Settings
Change the name, if desired.
Make sure that jobs are enabled.
Save the changes.