There is no setting for turning AuthVasCacheExpireoff (unlimited).
The value is a stored in a long integer which can be set to a maximum of 4294967295 seconds which comes out to be about 136 years.
A good value to set AuthVasCacheExpire to 3136320000 which is 100 years.
MAV and all One Identity open source projects are supported through One Identity GitHub issues and the One Identity Community. For assistance with any One Identity GitHub project, please raise a new Issue on the One Identity GitHub project page. You may also visit the One Identity Community to ask questions. Requests for assistance made through official One Identity Support will be referred back to GitHub and the One Identity Community forums where those requests can benefit all users.
Main MAV GitHub page:
https://github.com/OneIdentity/mod_auth_vas
Latest MAV Packages:
https://github.com/OneIdentity/mod_auth_vas/releases
Open a MAV Issue:
https://github.com/OneIdentity/mod_auth_vas/issues
MAV Wiki:
https://github.com/OneIdentity/mod_auth_vas/wiki