Graph gives server error 500 - need help switching domain to federated IdP #4003
Description
Describe the bug
I have a domain safetynet.social I'd like to switch to federated SAML IdP service
I cannot use MsoL powershell anymore (deprecated) so turned to advised Graph method
Logged into Graph with Global Administrator account for the tenant.
Run this query:
PATCH https://graph.microsoft.com/beta/domains/domainname.me
Headers:
Content-Type | application/json
As payload (cert is online string)
{
"authenticationType": "Federated",
"federationConfiguration": [
{
"issuerUri": "https://login.safetynet.social/saml/idp",
"passiveSignInUri": "https://login.safetynet.social/saml/sso",
"signOutUri": "https://login.safetynet.social/saml/logout",
"signingCertificate": "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",
"preferredAuthenticationProtocol": "saml"
}
]
}
Results in:
{
"error": {
"code": "Service_InternalServerError",
"message": "Encountered an internal server error.",
"innerError": {
"date": "2026-01-05T09:49:02",
"request-id": "0d68fa86-d916-4b7f-b51c-da8a56e48f70",
"client-request-id": "3f59a3c1-8eef-a3d6-e942-94d0967a7566"
}
}
}
To Reproduce
Expected behavior
Set domain to federated using the configured details
Any help achieving the desired goal is appreciated