PowerShell – Change the update schedule for the GAL in Exchange
PowerShell – Howto Update the GAL and OAB in Exchange
Mail enable Active Directory contacts in Exchange with a PowerShell oneliner
Grant full access to a group on a mailbox in Multi-tenant Hosted Exchange environment with a PowerShell oneliner
PowerShell – Disable Meeting Forward Notifications in Exchange on user or global level
Search your Exchange environment for content in mails with PowerShell