Citrix PVS and Antivirus exclusions

On a number of implementations that I've seen there is a lack of correct antivirus exclusions which can cause stability issues. Unfortunately it happens more often than one would expect and I have therefore decided to document the once that most people are missing. It should be noted that there are some different file names for various OS, and that some files doesn’t exist for some versions. I have tried to document everything as good as possible based upon some notes that I have taken over the years – however I still recommend that you review the recommendation below so they actually match…
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Citrix license administration console password reset

I had an email today from a customer who had forgotten their admin password used for logging on to their license administration console.  Below is how you can reset the password. 1) Open the "server.xml" file located in the C:Program FilesCitrixLicensingLSconf directory 2) Find the entry that looks something like this: firstName="System" id="admin" lastName="Administrator" password="(ENC-01)UaFz17cJ2oNQ+LkskjkzUyVV5ZcmaoJCDCiuiusbB6zk2P0uR" passwordExpired="false" privileges="admin"/>; 3) Erase the contents between the double quotes after "password=" 4) Enter a plaintext password so it looks like this: password="test" 5) Change the passwordExpired value to be "true" 6) Save the server.xml file. 7) Restart the licensing services. 8) Close and re-open the…
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Receiver for HTML5 is now available

It is my pleasure to announce that the Receiver for HTML5 is now available for Chrome and Firefox browsers. Receiver for HTML5 is a zero install client allowing connection through a browser to XenApp and XenDesktop. The combination of the Receiver for Web and HTML5 provides a fallback option for environments where a native client is not available or an option. Key new features include: Google Chrome (version 19+) & Mozilla Firefox (version 11+) browsers on Windows and Mac desktops In-session Tool bar that can move and close Copy/Paste text Key to send Ctrl+Alt+Del to desktop session External access of XenApp applications and XenDesktop…
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Citrix HDX Monitor 2.0.7 released

Citrix have released a new version of my favorite tool, HDX Monitor 2.0.7 . HDX Monitor 2.0.7 works with XenApp 6.5/6.5FP1, XenDesktop 5.5/5.6/5.6FP1 and VDI-in-a-box 5.x. HDX Monitor lets you diagnose XenApp, XenDesktop and VDI-in-a-box sessions, HDX Monitor 2.0.7 can analyze sessions remotely from any machine in the domain. Whats new in HDX Monitor 2.0.7 This release includes two new features as well as bug fixes and improvements. (more…)
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Understanding Citrix Receiver

Do you know the difference between Receiver and Receiver Infrastructure? What about Receiver Enterprise, Receiver Inside or Receiver Updater? Did you hear about the upcoming One Receiver? Are you confused as most of my customer when it comes to that topic? Good because in this article I will try to explain the differences and the Citrix Receiver idea! The Idea of Citrix Receiver Before the release of Receiver, Citrix had various "Clients" for different reasons like the ICA Client, the Secure Access Gateway Client, Password Manager Client etc. with the tendency of more clients to come. Now if you are using…
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How to Configure Default Device Access Behavior of Receiver 3.x and XenDesktop

With Receiver 3.x client, administrators might want to configure the default behavior for device access when connecting to a Citrix XenDesktop environment. The Desktop Viewer client device restrictions by default are based on the Internet region and this behavior can be changed by creating the Client Selective Trust feature registry keys under the HKey_Local_Machine hive in the registry and by adjusting the required values. With the default value, one of the following dialog boxes appears when accessing local files, webcams, or microphones: (more…)
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Explaining and Troubleshooting Write Cache Disk Drive Letter Assignment

This blog explains the process involved on drive letter assignments for target devices and how to troubleshoot write cache drive letter changes. Mount Manager is the component responsible for managing volume names and drive letter assignments on windows. It has a database that is recorded on the registry under the HKLM/SYSTEM/MountedDevices key. When a new disk is installed on the system, the Mount Manager Creates a new unique ID for the disk and saves it into the registry with the "??Volume{GUID} naming scheme, this is unique and persistent for this system. If the disk is plugged on another system, a new…
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Simplify your XenAppXenDesktop with DNS aliases

You can see this recommendation in few of our recent best practices – most recently in the excellent “XenDesktop and XenApp Best Practices document”: “The XenDesktop and XenApp servers should be configured to use DNS Aliases when accessinginfrastructure components such as the Citrix License Server and Database Server(s) rather than hostname or IP address. This helps to simplify management during certain maintenance and disaster recovery scenarios.” But what does it exactly mean and how should it be configured? I’m following this best practice for many years and I would like to share few information about how to use it and what are the…
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Slow Web InterfaceMMC console? CRL explained

This is actually very common problem in many environments – Web Interface andor particular consoles (mostly MMC-based) are slow to start – there is actually KB article that describes a workaround for this issue. I consider this to be one of the tweaks that many people often implement, but don’t really understand the consequences and the reasons why it helps, so I’ve decided to write a small blog post about this topic. What is certificate revocation list? So, you’ve got your certificate issued, right? But now you can ask yourself – what should I do in case that certificate was…
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