XenServer 5.x/6.x – Update expired license

XenServer 5.x/6.x – Update expired license

INFORMATION If you are currently running a legacy Citrix Xenserver 5.x/6.x with a free license, be aware that you cannot renew the license by requesting a new license the old way. Trying to request a license from http://deliver.citrix.com/go/citrix/xenserver_activation you will be presented with the following statement and unable to retrieve a license: As stated in…



PVS-Accelerator

Introduction PVS-Accelerator is a feature for Citrix Hypervisor (previously named XenServer). The feature utilizes the local storage and RAM on Dom0 on each Citrix Hypervisor and caches read requests from a provisioned target device. It saves network, CPU and Provisioning host disk I/O resources, effectively improving performance. Overall your storage and network should see an…



Smart Check – Monitor Your Citrix Sites

Citrix Smart Check is a software and a service that installs on a Citrix Delivery Controller and collects diagnostic data, sends it to the Citrix Cloud account, where it gets analyzed and presented on the Citrix Cloud website. The information helps Citrix administrators to prevent and resolve issues before they happen or impact the users,…



Flickering Desktop Icons and re-directed folders

This blog post will only cover a scenario with Microsoft Windows Server 2016 Remote Desktop Services (RDS) and re-directed folders where flickering icons appear. Other solutions may apply to different scenarios. Since the release of Windows 10 / Server 2016 and their different releases 1607, 1703, 1709 and 1803 there has been several issues regarding flickering…



Chrome – Certificate warning – Invalid Common Name

Users of Google Chrome version 58 (released March 2017) and later will receive a certificate alert when browsing to HTTPS-sites if the certificate only uses Common Name and does not use any Subject Alternative Name (SAN) values. This has been ignored and for many years the Common Name field was exclusively used. The Chrome developers finally…



Print drivers and Microsoft Update KB3170455

Typically users get their printers mapped by Group Policies or Group Policy Preferences. Especially in Citrix environments, users should not have the right to add their own printers or drivers that are not approved for multi-user environments. On July 12th 2016, Microsoft released a security update (KB3170455) to safeguard Man-in-the-Middle (MITM) attacks for clients and…



Scout 3.0 släppt med XenApp 7.14

I samband med att XenApp/XenDesktop 7.14 media blev tillgängligt 2017-06-09 ingår även Scout v3.0 med i mediet. Scout är ett verktyg för Citrix-administratörer att enkelt kunna samla in diagnostik och loggfiler från en Delivery Controller eller VDA. Loggfiler kan sedan laddas upp till Citrix Insight Services (CIS) för analys, hälsokontroll och få rekommendationer på åtgärder…



Provisioning services – Activate SMB2 for better security and performance

When installing Provision Services 7.x and below on a Windows 2008 R2 or Windows 2012 R2 – The Provisioning installer will disable SMB2 and only allow SMB1 on the server. NOTE: SMB2 will still be enabled with a new install of PVS 7.13 (Thanks Andrew Wood). Verify which SMB protocols are enabled on Windows 2012…



XENAPP/XENDESKTOP 7.12 – Local Host Cache

Citrix har släppt Xenapp/XenDesktop 7.12 och åter introducerat en mycket efterfrågad funktion som tidigare funnits i XenApp 6.x versioner. Funktionen är local host cache (LHC) och tillåter användare att ansluta till publicerade applikationer, även om SQL-databasen är otillgänglig. Det sker genom att information från databasen cacheas ner lokalt på Delivery Controllers varannan minut. Citrix-databasen håller reda på vilka applikationer som…



Provisioning av Windows 2012 R2 – ShortFileName

I Windows 2012 R2 har det introducerats flera förbättringar. En förbättring är att Microsoft valt att stänga av vissa funktioner som tidigare varit aktiverade för bakåtkompabilitet. En sådan funktion är ShortFileName (SFN), även kallat 8dot3 Name Creation (8dot3), som Microsoft valt att inaktivera på nya diskvolymer som läggs till på en Windows 2012 R2, utöver…