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Apple DEP and Citrix XenMobile Invalid Profile Error


Setting up Apple DEP is relatively straight forward (start here). Once setup, connecting your DEP account to your Citrix XenMobile instance is again, pretty straight forward. The Citrix guide (here) is easy to follow and there are some great “step by step” guides elsewhere on the web – Antonvan Pelt’s is one of my favourite guides


After following the guide(s) everything appeared to be working correctly. Two or three handsets managed to enrol successfully and everything was looking good. However, after a while, devices started to fail to enrol with the message “invalid profile“. (more…)

Throw away address with Gmail


One of the cool things about having your own domain name is you can manage your own email records. For example, you can create alias emails for each online shop/forum you visit. Using a wild card in the mail settings means <anything> gets forwarded to my “real” email address.

When a shop wants an email address you can create something off the top of your head miles away from your computer knowing full well it will work… “” will forward as it matches the <anything> rule.

When someone sells your email address or starts to spam you, it is easy to stop forwarding that single address without blocking all the other email you might actually want to receive. (more…)

Apple Developer Account – Importance of Renewals

The first sign of trouble…

… appears when your MDM solution is working fine on Android devices but has stopped working on iOS devices. All the infrastructure is working correctly, servers are healthy, load balancers are up, no recent firewall changes…

A quick glance at the Apple Developer portal to check all the certificates and profiles are healthy shows that the enterprise developer account has expired.

Apple have four types of developer membership (details here). Prices range from 99USD to 299USD. Without an active Apple Developer membership your applications simply don’t work. (more…)

Evergreen IT with Apples?


When Microsoft announced the release of Windows 10 they stated it would be the last “Windows [Number]” release. There would not be a Windows 11… or 12… etc. Lots of blogs wrote about the switch to (Windows) Software as a Service (SaaS) model. For Windows (10 or otherwise) this makes sense. Hardware vendors release new laptops/tablets and desktops(?) all year round. They simply take the current release and roll with it. (more…)

Screen Grabs and Office Displays – Part 1

The challenge

There are countless tools for producing in-depth analytics and dashboards from complex enterprise systems. Many of these dashboards are presented through a web browser (such as vRealise Operations). These dashboards are critical for command centre operations but also often make good “office displays” showing the activity of a system.

The challenge, how do you share a display when it isn’t just a single web page? For example, the dashboard comprises of multiple windows from different applications all manually placed on a screen? (more…)

iPads – Then and Now (with a bit of Pro)

As a Professional IT Engineer, technology is at the heart of what I do. Over the past few months I have been working with our Enterprise IT Architects on a range of mobile device management (MDM) solutions. These are often used by large companies/enterprises to manage the mobile devices of workers. During this time I have had the privilege to road test a number of “cool” handsets/tablets and other “Corporate IT things”.

Putting the latest iPad Air 2 next to my third generation iPad (the first with “retina” display) it got me wondering how much has actually changed in the past three or so years. How much of this change is technology and how much of it is adoption/people/culture? (more…)

Samsung CCTV – SRD-442 RTSP Streaming

The Samsung SRD-442 is a great hard disk recorder/CCTV system. Now discontinued, these units can be picked up for a good price.

There is a mobile app (iPolis) which Samsung have released to interface with these CCTV units from iOS and Android devices. However, the desktop (web) application is somewhat dated. This web application requires a number of plugins which means it only works on Windows devices (7/10 etc) and not on Mac OS X. (more…)