Tag: old news

  • Change UPN (based on Primary Email) based on SMTP: in proxy addresses

    So there are numerous scripts out there for setting the UPN of a user to match the Windows Email Address.. you can even do that in a single command (Powershell).. but would it not be better to actually read the primary e-mail address from the ProxyAddresses? .. so the following script will help you with…

  • Data Offloaded Transfers – ODX

    As we are seeing more and more Windows 2012 based Clouds and services.. I wanted to alert you to the following technology which is becoming more and more available in backend storage systems (and Windows 2012): ODX   If you are implementing Hyper-V, File services or any other Windows Server 2012 with a backend SAN…

  • Mitigating attacks on your Active Directory network

    Microsoft released a new whitepaper this week that gives an insight in why you should protect your privileged accounts. One of the techniques described is the PassTheHash attack which is a sophisticated attack but fairly easy to execute. These attacks have been seen in the “field” and are being used today. If you work with…

  • Back to the future…

    Did your AD jump back to the year 2000 during the past weekend? .. This could have happened if you are syncing your time with the USNO.NAVY.MIL, as they apparently had a disruption on the 19th. see http://tycho.usno.navy.mil/ntp.html   But if time jumped back on your AD, you’re in trouble.. and the way to get…

  • MBAM – Install guide – tips

    So as promised.. the install guide.. or at least some small tips as the installation is not that hard.. First of all, we are going to use a three server architecture. One server for the databases, one for the administration and monitoring and a group policy server. To start, we need to create some groups…

  • Microsoft BitLocker Administration & Monitoring – intro

    Why we should BitLocker (or any other drive encryption) should be clear. A stolen laptop is only worth as much as the retrievable data on it + the value of the laptop. In large enterprises this could be millions of dollars, but for personal use this could lead to embarrassment or worse. But enterprises seem…

  • 2FA via the cloud – Cryptocard

    So many of you probably have been wondering what type of 2FA I am using for my tests. Instead of setting up internal servers, dealing with encryption keys and various tokens, I stumbled upon a cloud service that handles all of this for you. Now before we dive into the “commercial” part (although I did…

  • Office 365 – OWA Access

    When migrating to Office 365 users must retain access to Outlook Web Access. While the guides for the OWA access are present, users see themselves being challenged for username and password multiple times. This is even worse when most users are located on Exchange 2007 in a mixed environment. In order to cope with this…

  • Office 365 – Two Factor authentication

    As we have seen, passive clients have a different connection scenario than active clients. As passive clients can actually input data, this can be used to configure the request for additional authentication data. When users are accessing Outlook Web Access they are redirected to the federation services to retrieve their token. This is where we…

  • Office 365 – Exchange interaction Design

    Office 365 is booming.. everyday new companies decide to make the switch to easy online messaging and collaboration services on the cloud. While the cloud should make life easier for administrators, setting up the co-existence environment seems a bit harder. Although Microsoft has tons of help material available .This post is to clearify the interaction…

  • SharePoint to retrieve data from two LDAP directories

    So no posts for a long time, been busy though.. and the latest addition to this blogpost is about SharePoint. Who would have thought.. In my case the customer wanted to enrich the User profiles that came from Active Directory with Novell attributes that where in a central identity store. While SharePoint is capable of…

  • Office 365… where to get your information

    So this post is more of an advertisement.. Office 365, the latest version of BPOS (Business Productivity Suite Online) is in beta stage at the moment and more enterprises decide to go for it. It is based on Exchange 2010, Lync (new OCS), SharePoint 2010 and lots more.. My colleagues have decided to create a…