> # Enabling MSCHAP Authentication

> ## Detailed Steps

> Note Password aging, MSCHAPv2, and MSCHAP authentication can fail if one of these authentication is not disabled.

> To enable MSCHAP authentication using Device Manager, follow these steps:

> 1. Click Security > AAA.

> You see the AAA configuration in the Information pane.

> 2. Click the General tab.

> You see the MSCHAP configuration.

> 3. Check the AuthTypeMSCHAP or AuthTypeMSCHAPv2 check box to use MSCHAP or MSCHAPv2 to authenticate users on the switch.
> 4. Click Apply Changes to save the changes.
> .

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