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Leaked Token Handles Preventing RDS Session ID Reuse
A recent article on Microsoft’s Ask the Directory Services Team blog piqued my interest. It talks about how leaked access tokens prevent logon sessions to be freed when the user logs off. This wastes...
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VMware Horizon in a Lab: Getting Rid of SSL Errors
This is a description of a quick and dirty way to get SSL to work correctly in a VMware Horizon View installation in a lab environment. Do not do this in production! The Situation The Horizon View...
View ArticleCitrix Synergy 2016 Call for Topics: Get Rid of the Video Requirement (Open...
It smacks of lazy reviewers looking for eye-candy. Simon Crosby, former Citrix CTO Citrix Synergy Team, I am writing to you as a guy who has presented many times at Synergy. This year alone I had three...
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Citrix XenApp/XenDesktop API Hooking Explained
ContentsWhat is API Hooking?Getting Access: AppInit_DLLsThe HookCitrix’ Way of HookingDisabling HooksDisabling API HookingDisabling Citrix HooksDisabling Citrix Hooks for one ExecutableList of all...
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Citrix Desktop Viewer Screen Resolution and Window Size
As far as I know there is no “official” way to set the width, height and screen position of Citrix Desktop Viewer in window mode. It can be done easily by changing a few registry values, though. To set...
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Citrix XenApp 7.6 Logon Slow – Long Black Screen Phase
Update 2015-04-28: Citrix provides the limited release hotfix ICATS760WX64009 that fixes this issue. More information below. During the research for my session about the XenApp 7.6 logon process, to be...
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XenDesktop 7.6 VDA CPU & Memory Footprint
If you install the Citrix XenDesktop 7.6 Virtual Desktop Agent (VDA) on a small Windows 7 VM, you may be in for a big surprise, and not a good one. This article documents issues I have experienced and...
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Which Version of Citrix GoToMeeting Are You Running?
Am I running the latest version of GoToMeeting? Which is the latest version, anyway? Those trivial questions might not be easy to answer. When hovering over the GoToMeeting icon in the taskbar it tells...
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Is my App Running on Citrix XenDesktop/XenApp?
ContentsMachine or Protocol?Citrix XenApp and Microsoft RDSHow to Find Out if a Session is Being RemotedWhere it WorksCitrix XenDesktopHow to Find Out if a Session is Being RemotedWhere it WorksPutting...
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Citrix ShareFile Sync on a New Computer with Existing Data
Switching over to a new computer is certainly fun for a geek, but getting back to a perfectly tuned configuration can be a lot of work, whether you synchronize (part of) your data to the cloud or not....
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Solved: Citrix Desktop Service Fails to Start, Logs Event 1006
I am sure you all love XenDesktop VDAs that just won’t register. Although this is becoming less and less of a problem I had another case recently. Checking the Obvious When a XenDesktop VDA is...
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Configuring Citrix ShareFile Sync from PowerShell
ContentsGetting StartedListing Available CommandsListing Existing Sync JobsAdding a Sync JobRemoving a Sync JobUseful ConstantsSyncDirectionAuthTypeTroubleshooting When you have a cloud-based file...
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Persistent VDI in the Real World – Sizing
This is the third article in a multi-part series about building and maintaining an inexpensive scalable platform for VDI in enterprise environments. Previously in this Series In the last article I...
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Persistent VDI in the Real World – Storage
This is the second article in a multi-part series about building and maintaining an inexpensive scalable platform for VDI in enterprise environments. Previously in this Series I started this series by...
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Persistent VDI in the Real World – Architecture
This is the first article in a multi-part series about building and maintaining an inexpensive scalable platform for VDI in enterprise environments. Requirements Before we can even start to think about...
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Shutting Down Unused Persistent XenDesktop VMs
When you use XenDesktop the only way it makes sense you may find that Citrix has not really put much effort into making that a smooth experience. Persistent is a Second-Grade Citizen XenDesktop is...
View ArticleScript: Gracefully Shut Down all VMs on a Given Set of Hosts (VMware/XenDesktop)
Cleanly shutting down all virtual machines on a given set of hosts is not as trivial as it might seem – especially if you want to be able to restore the original state once the planned maintenance you...
View ArticleHow WinPE 4.0 Breaks ICA Connections
I had to troubleshoot a case where it suddenly was not possible any more to connect via ICA/HDX to freshly installed Windows 7 VDI machines. As it turned out, the root cause was a combination of...
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Contest: Why Is This Desktop Empty?
I just had a situation where I was facing an empty desktop with no way to logoff, start a program or do anything else. The only thing left to do was to log the session off from an admin session. This...
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How-to: XenApp/RDS Sizing and Capacity Planning with uberAgent for Splunk
ContentsThe ProcedureInstalling SplunkInstalling uberAgentCheck the InstallationWaitTransferring the Collected Data to an Analysis MachineAnalyzing the Collected...
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