How to check Microsoft Azure AD tenant GUID
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This article describes how to check the Azure AD tenant GUID.
The tenant GUID is an identifier that is used by Azure AD.
It is used in Gizmo WebUI SSO to ‘lock’ a WebUI to a Microsoft tenant.
The main (and unique) domain name associated to a tenant is based on .onmicrosoft.com domain (e.g. gsxclients.onmicrosoft.com).
Alternate domains can also be registered to your tenant (e.g gsxclients.com).
Instructions
Through the Azure AD portal
Login with Azure AD administrator rights to https://aad.portal.azure.com/#blade/Microsoft_AAD_IAM/ActiveDirectoryMenuBlade/Overview
And under “Tenant information” this can be read and copied:
Using PowerShell
Run the following PowerShell command to get your tenant GUID.
Replace YOUROFFICE365DOMAIN with your domain.
(Invoke-WebRequest https://login.windows.net/YOUROFFICE365DOMAIN.onmicrosoft.com/.well-known/openid-configuration|ConvertFrom-Json).token_endpoint.Split(‘/’)[3]