Tech Tip of the Day – What is a federated exchange solution ?

In short, federation is when two Company trust each other and when federation is enabled between them they can share their user’s presence, calendar and global address list.

In a short description  below things needs to be done in order to enable a federation between to organizations

Setup two AD-FS Servers (for company A and company B)

Setup AD FS federated trust between company A and company B

Choose a Server for Authentication Certificate for SSL Encryption (only 1)

Configure the resource server (web server, Application server to which resources clients access) for company A and company B

 

It’s always recommended that all Exchange organizations use the business instance of the Microsoft Federation Gateway for federation trusts. Before configuring federated delegation between the two organizations, you need to verify which Microsoft Federation Gateway instance each Exchange organization is using for any existing federation trusts.

 

Inorder to identify the instance  run the following command

 

Get-FederationInformation -DomainName <the hosted Exchange domain namespace>

 

For exchange to “Configure Federated Delegation” you need to remember the below

 

Domain Namespace Requirements:

 

Step 1: Create a federation trust with the Microsoft Federation Gateway.

 

https://technet.microsoft.com/en-us/library/dd335198(v=exchg.141).aspx#Shell

 

Step 2: Create TXT records for federated delegation

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

 

Step 3: Configure the domains for federated delegation

Add-FederatedDomain -DomainName contoso.com

 

Step 4: Create an Autodiscover DNS record

 

https://technet.microsoft.com/en-us/library/cc772053(WS.11).aspx

 

Step 5: Create an organization relationship

New-OrganizationRelationship -Name “Contoso” -DomainNames “contoso.com”,”northamerica.contoso.com”,”europe.contoso.com” -FreeBusyAccessEnabled $true -FreeBusyAccessLevel LimitedDetails

 

Thanks & Regards

Sathish Veerapandian

MVP- Exchange Server 

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