This task requires permissions that are found in all default security roles Defined sets of privileges.The security role assigned to a user determines which tasks the user can perform and which parts of the user interface the user can view. All users must be assigned at least one security role in order to access the system.. More information about specific permissions and performing this task while offline: Sales Permissions
You disqualify a lead A potential customer who must be qualified or disqualified as a sales opportunity. If a lead is qualified, it can be converted to an opportunity, account, and/or contact. by closing Setting the status of a record to Closed. This hides it in lists of open records and sets some types of records to read-only. Several types of records are closed automatically when you qualify or disqualify them. the lead record. Although closed leads can be reactivated, deleted leads are permanently removed and cannot be reactivated. When you reactivate a lead, you save time by not having to re-enter any data and you maintain the original history of the lead.
In the Navigation Pane, click Sales, and then click Leads.
In the View list, click Closed Leads.
In the list of closed leads, open the lead you want to reactivate.
On the Actions menu, click Reactivate Lead.
In the Confirm Lead Activation dialog box, click OK.