CmdID / PowerShell / Cmdlets / Start
Start-MailboxSearch
Use the Start-MailboxSearch cmdlet to restart or resume a mailbox search that's been stopped. Exchange PowerShell reference
From the Exchange PowerShell reference 7 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the name of the search.-Confirm, -cfThe Confirm switch specifies whether to show or hide the confirmation prompt.-DomainControllerThe DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.-ForceThe Force switch hides warning or confirmation messages.-ResumeThe Resume switch resumes a stopped, failed, or partially succeeded search from the point it stopped.-StatisticsStartIndexThe StatisticsStartIndex parameter is used by the EAC to retrieve keyword statistics in a paged operation.-WhatIf, -wiThe WhatIf switch shows what the command does without making any changes.