"Your account is locked because of too many authentication attempts." What shall I do? Can anyone help me please?
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https://docs.appian.com/suite/help/21.3/Appian_Administration_Console.html#account-locking
If you do not use SSO, then, depending on configuration, your account might unlock after some period.
If that does not work or takes too long, ask an admin.
Thank you, Stefen.