Practical IT Guides for Windows, SCCM & PowerShell Admins

TechyGeeksHome has been helping IT professionals and sysadmins since 2010. Find 1,500+ real-world guides covering Windows 10 & 11, Windows Server, SCCM/ConfigMgr, PowerShell scripting, Active Directory, networking, and virtualisation — all written from hands-on production experience by a UK IT pro with 26 years in the field.

Windows and Office Activation Proxy Whitelist Websites

Microsoft Blue Logo

We recently came across an issue where our Configuration Manager Operating System Deployments (OSD) were failing at the activating Windows step. Having spent far too much time looking into why it was doing this, we eventually found out that it was our proxy servers that were blocking access it the Microsoft activation servers.

SCCM OSD – “A required device isn’t connected or cannot be accessed”

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We today ran into an issue where our SCCM OSD PXE boot was not working. It was coming up with a very confusing message stating: “A required device isn’t connected or cannot be accessed” This led us to start looking at the hard drive and the drivers, however, the solution was completely different. The problem … Read more

Office 2016 – Outlook and Exchange Compatibility

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With the recent release of Microsoft Office 2016 and the subsequent release to volume licence users on VLSC, a lot of people will be rushing into upgrading to the latest version. However, be careful with compatibility with your corporate Exchange servers… Outlook 2016 will work with the following Exchange Server versions: Exchange Server 2016 Exchange … Read more

Shoretel Account Viewer v1.0 Released

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We are pleased to announce a new utility custom built by us called Shoretel Account Viewer. Shoretel Account Viewer is a small installable utility that allows you to connect to your Shoretel systems MySQL database and return information on any users account within that environment. This is an essential tool for any Shoretel administrator as … Read more