# CircleCI server v4.4 FAQ

## Does server v4.4 have a data retention policy?

We do not currently support a defined data retention policy. Data is stored indefinitely on server.

## What control is granted over Nomad certificates?

Full control of the certificates, all the way down to mTLS for Nomad.

## Is it possible to change or disable the polling time which checks for health status?

No, this is not customizable.