Thanks both of you.
I am able to get the WriteDaemon status using  SYS.Stats.Dashboard class and IsWDSuspended() method.

ZN "%SYS"

%SYS>s ref=##class(SYS.Stats.Dashboard).Sample()

%SYS>w ref.WriteDaemon

Normal

%SYS>w ##class(Backup.General).IsWDSuspended()

0

Yes, We want to  decrypt an encrypted password for validating the user in the application.
How can I reset it?