ADFS 3.0 stop working after sub domain import

Hallo,

I have succesfully configured ADFS for our domain.com in office 365.Our AD is as sub domain from domain.com (lets say sub.domain.com).

I was able to succesfully Synchronise the AD User accounts. I have also configured to make the domain.com as federated. Usin an alternative UPN (domain.com) for a test user, I was able to log in with that acclount over the ADFS.

I wanted to make the sub domain sub.domain.com also faderated in order to avoid the administrative task, to configure all the AD users with the alternative UPN.

I succesfully made the sub domain as federated with the following powershell command:

New-MsolFederatedDomain -DomainName <subdomain name>

Now the ADFS Site is not responding at all!!! Im am not even able to see the Federation Metadata URL nor the ADFS sign-in Page.

When I try to log a user over the https://porta.office.com site with a AD account user@sub.domain.com, I get stuck on the ADFS Site. The site is not reachable an on the address bar is the link: https://adfs.domain.com/adfs/ls/?cbcxt=&popupui=&vv=&username=username%40sub.domain.com&mkt=&lc=1031&wfresh=&wa=wsignin1.0&wtrealm=urn:federation:MicrosoftOnline&wctx=wa%3Dwsignin1.0%26rpsnv%3D4%26ct%3D1436275122%26rver%3D6.4.6456.0%26wp%3DMCMBI%26wreply%3Dhttps:%252F%252Fportal.office.com%252Flanding.aspx%253Ftarget%253D%25252fdefault.aspx%26lc%3D1031%26id%3D501392%26bk%3D1436275122%26LoginOptions%3D3

The ADFS Service is running and th AD account in Office 365 are with the @su.domain.com UPN.

In Azure AD Module powershell (get-msoldomain) I see that both domain.com and sub.domain.com are federated.

I have configured the sub domain and started troubleshooting with the following Links:

https://community.office365.com/en-us/f/613/t/66616
https://support.microsoft.com/en-us/kb/2713898
https://technet.microsoft.com/en-us/library/jj151809.aspx

Can you help me on this one?

Kind Regards

Ioannis Kyriakidis



July 7th, 2015 9:45am

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