Hi sunderjit,
If you have user account as other than Admin then it can be reset or modified password settings.But if it is Admin accont for DLP then you need follow below steps.
If your login and password is authonticated with AD ID then it can be reset through AD team.For better understanding i am adding some expaination on authentication mechanism of DLP.
Active Directory authentication
With Microsoft Active Directory authentication, the Enforce Server administration console first evaluates a supplied user name to determine if the name exists in a configured Active Directory server. If the user name exists in Active Directory, the supplied password for the user is evaluated against the Active Directory password. Any password configured in the Enforce Server configuration is ignored.
SPC authentication
You can optionally integrate the Enforce Server with a single Symantec Protection Center (SPC) instance. With SPC integration, a user first logs into the SPC console, and may then access the Enforce Server administration console from within the SPC interface. When the user requests the administration console option, the SPC console delivers the user name or user name and role of an Enforce Server administration console user over a trusted connection. The SPC administrator can map all SPC users to a single Enforce Server user account, can map different SPC users to different Enforce Server user accounts.
still need help , please feel free to ask
Regards
Kishorilal