SurePassID Authentication Server: In-place Upgrade Procedure Step-by-step guide to performing an in-place upgrade of the SurePassID Authentication Server to version 23.1 for on-premises MFA deployments (for versions prior to 23.1) SurePassID Authentication Server: In-place Upgrade Procedure
![SurePassID_CMYK_600.png]](https://support.surepassid.com/hs-fs/hubfs/SurePassID_CMYK_600.png?height=40&name=SurePassID_CMYK_600.png){kind=small}