1. Check federation status,
PS C:\Users\administrator> Get-MsolDomain | fl name,status,auth*
Name : cloudrain.com
Status : Verified
Authentication : Federated
2. From ADFS server, run following Powershell commands.
Set-MsolADFSContext -Computer adfs2012.cloudrain.com
Set-MsolDomainAuthentication -Authentication Managed -DomainName cloudrain.com
Get-MsolDomain | fl name,status,auth*
3. Check federation status again,
PS C:\Users\administrator> Get-MsolDomain | fl name,status,auth*
Name : cloudrain.com
Status : Verified
Authentication : Managed
4. Login to O365 to check if it is not redirected to ADFS server
(Note : adfs2012.cloudrain.com : adfs server, cloudrain.com : test domain name)