Citrix Director: Cannot retrieve the data. Data source unresponsive or reported an error. View Director server event logs for further information.

After upgrading VDA to the latest version, a customer was faced to an issue that no performance and configuration data for the machines was displayed in Director. The machine itself was running fine and the this errors seems to have no impact to any user.                    While analysing this I found an error in the event log at an effected VM.   …

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XenDesktop: The supplied address for the compute resource is invalid

  In a customer environment we upgraded to XenDesktop 7.9 and added two new Desktop Controller in order to change the OS from Windows Server 2008R2 to Windows Server 2012R2. After some weeks the customer removed the old Controller from the site and after this we saw several issues regrading the hypervisor connections, for example when we tried to add VMs to catalog:             If…

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PoC: Sharefile StorageZone with ADFS 3.0 on premise – Part 2

  In my first Sharefile post I showed how to install and prepare the internal systems for use with Citrix Sharefile storage Zone (on premise). In this post we will have a look on publishing these services via Netscaler to authenticate users through a on-premise ADFS service. Architecture     Requirements on the Sharefile Control Plane Create a custom logon page as descripted in: http://support.citrixonline.com/en_US/sharefile/all_files/SF090016 You will need to edit the login.htm…

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HDX 3D Pro option missing while VDA installation

Today I quickly wanna share an installation issue, seen while updating a customer environment with XenDesktop 7.6 HDX3D Pro to 7.8 with the latest PVS target device driver. After a successfull installation of the new PVS target device software, we would like to install VDA 7.7. Now the installation wizard doesn’t show the HDX3D Pro option anymore, so we are not able to activate the feature.        …

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Citrix HDX3D Pro and 3Dconnexion Function Keys

I worked on a XenDesktop HDX 3D project and was faced to very annoying problem with USB redirection and the 3Dconnexion SpaceMouse Pro. The users were migrated from their traditional workstations to the Citrix XenDesktop infrastructure with 3D Pro. One of the most common incidents were: “The Function Keys are not working with my in-application macros”. After some researching we found, if we set some old-style combinations like CTRL + I…

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Overview: How to score an „A+“ at ssllabs.com with Citrix Netscaler

My last blog about securing Netscaler VPX was about Netscaler 10.5.57, which was the first firmware with TLS 1.1 and TLS 1.2 support. After the update and activating TLS 1.1/TLS1.2 (and disabling SSLv3 of course) the rating at https://www.ssllabs.com/ssltest/ is an „A“ with is pretty good, but also gives us room for more optimization.   Custom Ciphers The first thing we should optimize are the used ciphers. My suggestion here is to start…

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PoC: Sharefile StorageZone with ADFS 3.0 on premise

Today I wanna talk about my last experience with Sharefile Storage Zone and Microsoft Active Directory Federation Services (ADFS) 3.0. There are some little things you have to take care about. Our proof of concept consists of two servers: 1 x Storage Zone Controller Microsoft Windows Server 2012R2 , 2 vCPU, 8 GB RAM, 60 GB system partition, 80 GB data partition. 1 x ADFS Server Microsoft Windows Server 2012R2, 2…

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Netscaler 10.5 57.7 VPX supports TLS 1.1 & TLS 1.2

It took some time and many disscussions but it looks like Netscaler VPX and TLS 1.x came together. The first thing you need is to update to the latest Netscaler build 10.5 57.7 Now enable TLS settings on your vServer: set ssl vserver _XD_ng_outscale -tls11 ENABLED -tls12 ENABLED Now have a look to the config: sh ssl vserver _XD_ng_outscale Advanced SSL configuration for VServer _XD_ng_outscale: DH: ENABLED DHParam File: /nsconfig/ssl/dh-key1.key…

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Disable „Activate“ Button in Citrix Storefront 2.6

In some cases customers asked me to disalbe the „activate“ button in Citrix Storefront web site, which also disables the feature for unattented configuration of Citrix Receiver. It is pretty easy to do this, by changing just one parameter in the web.config file of your StoreWeb folder. <receiverConfiguration enabled=”true” …./> to <receiverConfiguration enabled=”false” …./> Now do just a refresh and the button will be gone. Marco KloseMarco Klose works as…

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XenApp 7.6 and Citrix HTML 5 Receiver

Hi all, today I found a very strange issue with a brand new Citrix XenApp 7.6 environment and Citrix HTML5 Receiver. The Receiver starts and stopped at Windows welcome screen and closed the tab again. This drove me crazy. And after some research I tried to disable the „Secure ICA“ setting of the Delivery Group. And after this, it worked. Hopefully is this is solved soon, because I know, disabling Secure…

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