Author: rzomerman

  • Azure AD – PtA – SSO – Office 365 ProPlus Auto Activation

    You invested in Office 365 for you users, but you don’t want to annoy them with prompts where they have to put their usernames and passwords in, certainly as you have domain joined devices. For Office 365 ProPlus License Activation utilizing the SSO capabilities, you either had to put in an ADFS infrastructure or.. available…

  • Azure AD – Pass-through Authentication SSO – reset password

    We’ve already covered Azure AD PtA with SSO. Where a local computer object is created in your on-premises AD to help with the authentication. While the password of the object is changed periodically.  Many organizations have the requirement to reset the computer password on the fly or at a faster interval. Microsoft has released a…

  • The hardware

    Sometimes I get the question; what do you work with.? as in .. which computers.. and to provide an answer: This “oh look at my hardware” post.. or more like “the hardware pissing contest equivalent” on many of the blogs.. In short, I don’t like to buy brand new stuff.. its expensive, it looses value like…

  • Multi-domain ADFS with alternateID login

    So, I got a question the other day on using ADFS in combination with some 3rd party applications in a very large AD environment. Basically the problem statement was: “ we don’t want to use UPN and we don’t want to use domain\username. Users should be able to login using either (only) their employeeID or…

  • Azure AD Lockout configurations – avoiding AD account locks

    On Monday morning, the office opened, and everyone tried to login to their computers, however no-one seemed to be able to login. The helpdesk was quickly flooded with calls and it seems everyone’s account was locked-out. It could happen to almost every company that does not have a good policy on lockouts. Hackers try as…

  • Azure AD Dynamic Group Membership on Custom attributes

    In Azure Active Directory you have the option to create dynamic groups. These are groups where members are added based on a formula that uses the attributes known on a user object in Azure AD. For example you can create a dynamic group of all users that have a specific job title: But what if…

  • Your applications in a Cloud World

    The existing method of controlling user accounts and workstations in another mayor (and smaller) company is usually based on the proven technology of Active Directory. The advantage of domain joined workstations is that it is easy for IT to impose limits and enable features that make it easy for users to start working. Mapped drives,…

  • ADLS: The portal is having issues getting authentication tokens….

    The portal is having issues getting authentication tokens for Microsoft_Azure_DataLakeStore a common error that happens under certain conditions and only if you did not read my previous post azure-data-lake-managing-data-access. In short, the error comes when the ADLS administrator has added your account to ADLS without adding the user to Azure AD (inviting you as a guest).…

  • How to connect to Azure Services

    When deploying services in Azure, the connection to those services is important. Some services might require public access, while for other services you want to have a more private connection.. this post goes into the different options.. and what to take into account when connecting to services deployed in Azure.. Within Azure there is a…

  • Azure Data Lake – managing data access

    When setting up Azure Data Lake services, it is possible to combine access to the actual data with Azure Active Directory B2B. The combination of these services allow external vendors and or partners to connect to the data in Azure Data Lake, but under the governance of your and their company. The logins for accessing…

  • Highly Available Azure GW’s and Juniper SRX

    Pretty quietly Azure has released the option of using redundant VPN connections. In this case, the gateway in Azure actually gets 2 external IP addresses that our on-premises Firewall can connect to. In this chapter, a small update on the Juniper SRX, BGP to Azure post. So that after following this guide, you can actually…

  • AAD Pass-Through Authentication – SSO without ADFS

    There are multiple options for authenticating users against Azure AD. But until now, full support for SSO based logins was only possible using two options. Azure AD joined devices, or a local ADFS service to your on-premises Active Directory. The latter being the most used option it also had its problems, first of all you…