Hi,

                              I am reading the following article. http://www.stevieg.org/2013/08/when-running-the-hybrid-configuration-wizard-in-exchange-2010-sp3-ur1-the-domain-proof-of-ownership-is-not-populated/

                              We are trying to Federate for Calendar and Free/Busy sharing with a different domain let's say it's called domain1.com

                              My domain name is Mydomain.com and I have a different domain called mydomain2.com that I use as an alias with different users (those users have mydomain2.com setup as their main email address) and again we want to Federate with domain1.com

                              That being said, my understanding is that I have to:

                              1.) From my HT servers I have to run the

                              Get-FederatedDomainProof -DomainName "mydomain1.com "

                              Get-FederatedDomainProof -DomainName "mydomain2.com "

                              To generate the proof

                              2.) Then I have to create a TXT entry with the proof that I have generated from Get-FederatedDomainProof -DomainName "mydomain1.com " the TXT entry has to be part of DNSZONE for mydomain1.com

                              3.) Do the same thing with mydomain2.com and create the entry for TXT entry for the DNS zone mydomain2.com

                              4.) The domain that we want to Federate with domain1.com they need to do the same within their zone.

                              Is that correct?

Hi,

Yes, to provide proof of ownership of the registered Internet domain, you must create a text (TXT) record in the Domain Name System (DNS) zone of each accepted domain you want to federate. The TXT record contains the federated domain proof encryption string generated when you run the Get-FederatedDomainProof cmdlet for each domain. For more information about this, please refer to:

https://technet.microsoft.com/en-us/library/ee423548(v=exchg.141).aspx

Additionally, we can add or remove federated domains or resetting the domain used to configure the organization identifier (OrgID) for the federation trust in Exchange 2010:

https://technet.microsoft.com/en-us/library/jj673036(v=exchg.150).aspx

Regards,