Making MS Graph Requests using Managed Identities

This blog post is an extension to my previous post about how to get secrets and access tokens using Managed Identities with VB.Net and C#. You can read that post here. There is a c# sample for this particular blog here. The scenario here is that you already have the code to use the managed identities and now you want to get an access token for a resource that requires…

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Using Microsoft Graph PowerShell SDK to manage user consented permissions

The oAuth2PermissionGrant object keeps a record of user consented permissions (Delegated Permissions) in a tenant. There is one OAuth2PermissionGrant object (identified by Consent ID) for each combination of client application, resource application, and user. The sample PowerShell script in this post will perform the following tasks: Remove all MS Graph Delegated permissions (if any) for the user Perform user consent for an initial set of MS Graph permission Update the…

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Receiving error “CompactToken parsing failed” when calling Microsoft Graph

You may receive the following 401 error calling MS Graph endpoint (https://graph.microsoft.com) { “error”: { “code”: “InvalidAuthenticationToken”, “message”: “CompactToken parsing failed with error code: 80049217”, “innerError”: { “date”: “2022-08-16T19:00:22”, “request-id”: “xxx”, “client-request-id”: “yyy” } } } What’s the cause of the error? The error typically happens due to the following reasons: There is no Bearer Access Token in the Request’s Authorization Header The value of the Authorization Header is in…

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Using MS Graph to get both Interactive and non Interactive sign in events log

Microsoft Graph API can be used to get different types of Sign-In event similar to what’s available in the Azure AD portal As of this writing, this functionality is only available in the beta endpoint. By default the following MS Graph request only gets a list of interactive user sign-ins GET https://graph.microsoft.com/beta/auditLogs/signIns To pull the other types of Sign-In logw you will have to use signInEventTypes filter query as followed:…

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How to sign in as a guest user in Graph Explorer

Besides tenant members, it is also possible to use Graph Explorer signed in as a tenant’s guest user. In Graph Explorer, add “?tenant=”{tenantname.onmicrosoft.com}” to the URL in the address bar (eg https://developer.microsoft.com/en-us/graph/graph-explorer?tenant=contoso.onmicrosoft.com), and press enter. This will explicitly make Graph Explorer to consider only that tenant when signing in. Now sign into Graph Explorer as usual, with a guest user’s credentials. Afterwards, try making this GET request: “https://graph.microsoft.com/v1.0/me”. In the…

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Revoke Admin Consent for a delegated permission on a Service Principal with the MS Graph PowerShell SDK

Scenario: You use the Microsoft Graph Explorer tool to test a query. It requires you to consent to a permission so you use your admin account to do this. However, you click the check box to consent for the entire organization… woops! You did not mean to give everyone permissions for “AuditLog.Read.All” so now you need to revoke this permission. The easiest way to revoke consent is to just delete…

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Microsoft Graph PowerShell SDK – Use Client Secret instead of Certificate for Service Principal login

The AAD Graph PowerShell SDK allowed you to use a client secret for the Application only ( Service Principal ) login flow – also known as the client_credentials grant flow. The documentation for the new Microsoft Graph PowerShell SDK does not tell you how to use a client secret but instead, uses the more secure certificate method for the flow: Use app-only authentication with the Microsoft Graph PowerShell SDK |…

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Retrieve Schema Extension Values for Devices from PowerShell

You can create complex schema extension properties for devices and then retrieve those specific properties from PowerShell. This blog post will walk you through how to do this. I created an app registration in my tenant to be the owner of my device schema extension following these instructions but for devices: Add custom data to groups using schema extensions – Microsoft Graph | Microsoft Docs One thing to point out…

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How to get and update Directory Schema Extension Attributes with the Microsoft Graph .Net SDK

Microsoft Graph Directory Schema Extensions are a convenient way to store additional data on certain objects such as users or groups. You can read about them here. This blog post is assuming you have already registered an extension and now you’re looking to be able to retrieve the extension and values for a user ( I will use a user object as an example ) or update the value using…

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Use the Microsoft.Graph PowerShell SDK to get a list of Devices that do not have BitLocker Recovery Keys

As you may be aware, the AzureAD powershell module is being deprecated at the end of the year along with the AD Graph endpoint. As a result, all customers need to migrate their code to the Microsoft Graph endpoint. This blog post will show you how to use the Microsoft.Graph PowerShell module to get a list of devices that do not have a BitLocker Recovery key in Azure. This would…

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