Your network contains an Exchange Server 2010 Edge Transport server named Server1. You install a new Exchange Server 2010 Edge Transport server named Server2.You need to copy the Edge Transport configurations from Server1 to Server2.What should you do on Server1？（）

• A、Run the ExportEdgeConfig.PS1 script
• B、Run the New-EdgeSyncServiceConfig cmdlet
• C、Back up the system state
• D、Back up the Active Directory Lightweight Directory Services （AD LDS） database