This one caught me off-guard when installing my PC with a fresh image of Windows 10. The issue: After installing a Module for PowerShell using Install-Module, I wanted to see all the installed modules with Get-InstalledModule. When I hit Enter, I got the following error message: Cannot convert null to type “System.DateTime” Cause and solution: […]

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I ran into this issue this week when logging in to Remote Desktop Web Access. As soon as I entered my password and logged in, I got an Error 500 page: Server Error in ‘/RDWeb/Pages’ Application. Runtime Error Description: An application error occurred on the server. The current custom error settings for this application prevent the […]

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There seems to be a bug in vSphere 6.7 that whenever you update you vCenter appliance, that the e-mail notifications from vCenter no longer works. You had previously set-up alarm definitions that sent an e-mail to a recipient when the alarm is triggered, but you don’t receive the e-mail message. There are no error messages […]

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Please be aware of major issues with the March Monthly Rollup for Windows 2008 R2 and Windows 7. (KB4088875) and March 13, 2018—KB4088878 (Security-only update) After installing this update, your computer might lose it’s virtual network adapter or network settings. I’ve experienced this on multiple virtual machines running Windows 2008 R2 on VMware vSphere 6.5 that […]

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Today, I ran into some problems with our vSphere  6 environment in that the domain authentication was no longer working. We use the machine account for AD authentication. We got the following error in Single Sign-on Configuration: ‘The name of the identity source does not match the existing Integrated Windows Authentication identity source’ Normally, this […]

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Please be aware that after installing KB3178690: security update for Microsoft Excel 2010, you might experience Excel freezing during calculations. In the company we work for, we experienced this issue on multiple Remote Desktop Session hosts that were running 32-bit version of Excel 2010. (x86) After removing KB3178690, Excel worked fine again. A reboot was […]

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When adding a new Published App using Remote Desktop Services on Windows 2008R2, I sometimes experience that it takes forever for the new published app to appear on the Remote Desktop Web Access page. After double-checking that the user was in the right security groups to see the published apps, I resolved this by recycling the RDWebAccess […]

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Just to let you know, I noticed the following when using either Microsoft Remote Desktop Connection Manager or Devolutions Remote Desktop Manager, Enterprise Edition: When using Remote Desktop Connection Manager v2.7 to access a console session of a Windows 2012 R2 RDS collection member, it’s not working as expected. I used to be able to connect […]

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