In order to check if there is an AAD tenant already registered with that (SMTP) domain, you can use my script, which can be found here. Use the Get-FederationInformation cmdlet to get federation information, including federated domain names and target URLs, from an external Exchange organization. Find the permissions required to run any Exchange cmdlet, Exchange Server 2010, Exchange Server 2013, Exchange Server 2016, Exchange Server 2019, Exchange Online. Although this topic lists all parameters for the cmdlet, you may not have access to some parameters if they're not included in the permissions assigned to you. The other reason is the troubleshooting aspect.
To see the return types, which are also known as output types, that this cmdlet accepts, see Cmdlet Input and Output Types. bisser.at) to that test tenant and verify it as well. This example gets federation information from the domain contoso.com. You can read more here. Whether or not this is the initial …
To update the configuration of the federated domain on a domain-joined computer that has Azure Active Directory Module for Windows PowerShell installed, follow these steps: Click Start, click All Programs, click Windows Azure Active Directory, and then click Windows Azure Active Directory Module for Windows PowerShell. After you execute this one, the PS will open up an IE window, which is not visible to you, navigating to https://portal.office.com and will try to insert a dummy user with that domain ending, in order to check if the domain is a known domain to Microsoft or not:. The problem raises if the IT guys add their productive domain (e.g. To find the permissions required to run any cmdlet or parameter in your organization, see Find the permissions required to run any Exchange cmdlet. The Get-FederationInformation cmdlet retrieves federation information from the domain specified. But this is not the only reason, why I tried to come up with a solution to this question.
When you view the properties of the domain on the domain properties page, the domain type is listed as Federated or Singl… The BypassAdditionalDomainValidation switch specifies that the command skip validation of domains from the external Exchange organization. When you execute the script, you will have to pass 1 (or 2 params): So to run the script and check your domain, execute the following statement in a PowerShell window where you have stored that script: Or by using âUse another accountâ, you need to run the following: After you execute this one, the PS will open up an IE window, which is not visible to you, navigating to https://portal.office.com and will try to insert a dummy user with that domain ending, in order to check if the domain is a known domain to Microsoft or not: If the domain is already registered in O365/AAD, you will see the following output in your PS window: But if the domain is not registered in an O365/AAD environment, youâll see the following output, which means, that youâre good to go with that domain: As this is the first version of my script, I will keep updating this one and improve it to make troubleshooting and checking of domain registration more easy, so keep reading to get updates on this oneâ¦, Domain: This represents the domain you want to check against a possible O365/AAD registration, UseAnotherAccount: This is an optional param, where you can use the option âUse another accountâ within the O365 login process, if you have cached some O365 credentials in the Internet Explorer. When you invite an external person to your O365 tenant with his or her proper mail address, Azure AD could cause sign in problems.
Here you can compare the TokenSigningCertificate thumbprint, to check whether the Office 365 tenant configuration for your federated domain is in sync with AD FS. This is the default domain that is used for user creation. You can use this switch to run tasks programmatically where prompting for administrative input is inappropriate. To see the input types that this cmdlet accepts, see Cmdlet Input and Output Types. If the domain is already registered in O365/AAD, you will see the following output in your PS window: When they do that, they often play around a little and then forget about that until the management says that itâs time to go for O365, where I step into the game.
These can be SharePoint, email, or OfficeCommunicationsOnline. The TrustedHostnames parameter specifies the fully qualified domain name (FQDN) of federation endpoints. Luckily,Aaron Dinnage (Solution Specialist at Microsoft) came up with a solution in order to check if the preferred tenant name already exists. Therefore, the login process will fail and as a result the person calls you and says âI canât login, please help me!â. The following is an example scenario of what happens when you experience this issue: 1. The Force switch specifies whether to suppress warning or confirmation messages. However, when you try to assign a federated domain to the new user, the federated domain isn't listed in the user's list of domains.
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