I frequently get questions from people about problems with installing .NET 3.5 features on Windows Server 2012 and 2012R2. Most problems are solved when adding the sources directory from the Windows installation media (so mount the ISO) during the GUI installation. Another way to do it, is by using the following command: Dism /online /enable-feature /featurename:NetFx3 /All /Source:d:\sources\sxs /LimitAccess This all works fine, but sometimes the .NET framework installation still fails. you keep getting the following error: 0x800f081f. The source files could not be found. Install Error! The cause for this error can be that you can’t install .NET Framework 3.5…

Read More Error installing .NET Framework 3.5 on Windows 2012 (R2)

We recently had a customer where we implemented a Windows 2012R2, Citrix XenApp 7.5 environment to replace a Windows Vista/2008 client server environment. After implementing the new Citrix XenApp environment the customer found a strange phenomenon where several applications where performing slower on the new XenApp servers then on the Vista workstations. When we ran several tests on the environment and found that on a server with only the OS installed the applications worked fine. But after installing the terminal server environment and the applications the applications that where using FoxPro databases (e.g. Accountview, Caseware etc.) where running significantly slower andcrashing more often  than on the old Vista…

Read More Windows 2012R2 and slow VFP (Visual FoxPro database) applications