ActiveDirectoryMembershipProvider.UnlockUser Method

Clears a lock so that a membership user can be validated.

Namespace: System.Web.Security
Assembly: System.Web (in system.web.dll)

public override bool UnlockUser (
	string username
)
public boolean UnlockUser (
	String username
)
public override function UnlockUser (
	username : String
) : boolean
Not applicable.

Parameters

username

The name of the membership user to clear the lock status for.

Return Value

true if the membership user was successfully unlocked; otherwise, false. The UnlockUser method also returns false when the membership user is not found in the data store.

Exception typeCondition

ArgumentException

username is empty, or exceeds the maximum length allowed for user names (usually 256 characters).

- or -

username contains commas.

- or -

The user name is mapped to userPrincipalName but the username parameter contains backslashes.

ArgumentNullException

username is a null reference (Nothing in Visual Basic).

InvalidOperationException

The UnlockUser method is called before the ActiveDirectoryMembershipProvider instance is initialized.

Users are most commonly locked out and cannot be validated by the ValidateUser method when the MaxInvalidPasswordAttempts property is exceeded within the time specified in the PasswordAttemptWindow property or when too many attempts have been made to log on using the wrong password.

If the EnablePasswordReset property is true, when a user is unlocked the counters for bad passwords are reset.

The provider uses a subtree search starting at the search point specified in the connection string. See the ActiveDirectoryMembershipProvider class topic for more information about connection strings.

Leading and trailing spaces are trimmed from the username parameter value.

Windows 98, Windows Server 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

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