HP ProCurve NAC 800 User Manual page 350

802.1X Quarantine Method
Setting up the 802.1X Components
Figure 11-30. Active Directory, User Account Properties
NOTE:
11-32
d. Right-click a user name and select Properties. The Properties windows
appears:
Select the Dial-in tab.
e.
In the Remote Access Permission area, select the Allow Access radio
f.
button.
g. Select the Account tab.
h. Verify that you are using Microsoft's version of the challenge-
handshake authentication protocol (CHAP) MSCHAPv2. If for some
reason, you cannot upgrade to MSCHAPv2 at this time, perform the
following workaround for MSCHAPv1:
In the Account options area, select the Store password using reversible
encryption check box.
If there are existing user accounts in your Active Directory installation when
you enable reversible encryption, the passwords must be reset (either by the
user or by the system administrator) before reversible encryption takes
effect.
Click OK.
i.