i am new in here.trying for the first time to migrate from exchange 2010 to office 365
went into quest and trying to test my trail mailbox but it fail with error :Autodiscovery Validation
Missing @domain in administrator user name
Failed to validate using Autodiscover. : Missing the domain name in the mailbox: calic\administrator. The mailbox must be a complete SMTP mail address. Parameter name: mailbox
Item Retrieval Test
Invalid Mailbox (Unable to retrieve folders) : Could not locate mailbox using Autodiscover
can somone help?