Autodiscover DNS Record
Users must have an Autodiscover records in DNS for their domain. The Autodiscover record is needed to download the offline address book and for automating mail profile configuration.
There are 2 methods for configuring autodiscover:
1. Create a DNS A record for autodiscover.domain.com pointing to 66.129.95.126
2. Create a DNS CNAME record for autodiscover.domain.com pointing to autodiscover.myhostedsolution.com