EAP MSCHAPV2 is an EAP version of the common MSCHAPV2 authentication mechanism. It provides mutual authentication between client and server. It is most commonly used as the inner authentication protocol with EAP PEAP on Microsoft Windows clients. EAP MSCHAPV2 does support dynamic WEP keys.

EAP MSCHAPV2 can be used with any Radiator AuthBy that has access to plaintext passwords, such as FILE, SQL, LDAP2, DBM etc. It can also be used with AuthBy LSA to authenticate with a Windows Local Security Authority, Windows Domain Controller etc. It can also be used with LDAPDIGIPASS and SQLDIGIPASS.