TEAMAS

Recently we had a request to be able to share calendar with an external organisation that we are working on a project with.  In the old days of Exchange, the only way of achieving this in a seamless way was to setup trusts or use things IIRU and IIFP. Since Exchange 2010, Microsoft have introduced the Microsoft Federation Gateway.  This allows companies to setup a trust to Microsoft which can be used to gain scheduling information with a third parties once policies have been configured on both parties Exchange environment. https://technet.microsoft.com/en-us/library/dd335198(v=exchg.141).aspx This looked like a pretty straight forward task and certainly a LOT easier than setting up direct trusts or sharing keys.  Unfortunately it wasn't quite that straight forward. These were the Issues we ran into and the relevant fix. 1.   Cannot create Organisational Relationship for third party. Also when running get-federationinformation Powershell cmdlet, it errors. FIX = Allo