Tuesday, April 3, 2012

XenDesktop 5.6 - Step by Step Guide


This article will show how to quickly create a XenDesktop 5.6 Proof Of Concept.
In this environment we will use XenServer 6 and the Citrix Machine Creation Service (and not Provisioning Services) in order to create and manage virtual desktops, see The Citrix Blog for more information about Machine Creation Service.
First of all, take a look at this link for the System Requirements.
The process can be divided into three parts:
  • 1 – Windows 7 (or XP) image preparation;
  • 2 – XenDesktop Installation;
  • 3 – XenDesktop Configuration.

1 – Windows 7 (or XP) image preparation

These are the major steps to consider when preparing the client image:
  • Install a Windows 7 virtual machine;
  • Install XenServer tools (or HyperV or VMWare tools) on it;
  • Join it to your domain;
  • Install any application you want to provide with your desktop;
  • Install the Citrix Virtual Desktop Agent; here’s how to do it:
Virtual Desktop Agent installation:
1) Insert the XenDesktop DVD into the virtual machine and click on Install Virtual Desktop Agent:
2) Select Quick Deploy, accept the License Agreement and the click on Install:
3) The installation will start; click Close when it ends and let the machine reboot:
The client is ready, now you can install XenDesktop 5.6.

2 – XenDesktop Installation

Now we will install the server components required to run the POC. As it will be a small demonstration environment, we will install all components in one single server.
1) Insert the XenDesktop 5.6 DVD into your Windows 2008 R2 server, select Install XenDesktop, accept the License Agreement and click Next:
2) Select the components to install and click Next. We will select all components, including SQL Server Express:
3) If you have the Windows firewall enabled, the installer will ask you the permission to open the License server ports, otherwise, if you use another firewall or even none at all, it will ask you to open the License server ports yourself (in my case no firewall is configured); click Next and then Install in the installation Summary:
4) The installation will begin. Once it will be completed, click on Close. The Desktop Studio console will start, from there you will be able to configure your POC environment:

3 – XenDesktop Configuration

We can now start the configuration.
1) In the Desktop Studio console click Quick Deploy, then enter the name of your site an the Hypervisor information, in my environment I use XenServer 6:
2) Select the Hypervisor’s network and storage that should be used by your virtual desktops. Then choose the virtual machine you want to use as the base image for your future virtual desktops, that is, the machine we created at the beginning of the guide:
3) Now you can choose how many virtual desktops you want to create and their hardware; furthermore, you can choose in which Active Directory OU the computer accounts will be created:
4) Once done click on Next and choose the users or groups that should be able to access these desktops:
5) In the Summary window click Finish and the machine creation process will start:
You can see how the disk images for your desktops are created in the XenServer storage:
In the Hypervisor console you will see the new desktops along with their disks:
6) Click Close in the Quick Deploy window and you will be redirected to the Desktop Studio console, you will see that the web interface is automatically configured with a default website for your desktops:
7) Connect to the web interface with your browser; the web interface will automatically detect whether you have the Citrix Receiver or not, if not, it will ask you to install it:
8 ) Click on install and run the Receiver installation. After the installation completes, you will be redirected to the logon page where you will add your user name and password:
9) You will see the desktop published for you:
10) Just click on the icon and the connection will start:
Your Virtual Desktops are now ready!!!
Now you can start playing with policies, catalogs, assignments and so on…

Wednesday, March 21, 2012

XenDesktop 5.6 Personal vDisk Feature Overview

What is Citrix Personal Vdisk?
  • Persistant personalization of user profile and applications., including user installed and entitlement based apps
  • Compatible with PCCLM and Application Virtualization solutions such as SCCM, App-V and Xenapp.
  • 100% persistence with VDI pooled Storage management
  • Near Zero management overhead.

 

VDI Desktop Models - Pooled Desktops
Disadvantages -
1. No personalization.
2. Poor user acceptance.
3. Limited scope/User base.
Advantages 
1. Reduced storage requirements.
2. Centralized management.
3. Uptime predictability.


VDI Desktop Models - Assigned Desktops (Unique VM for each user)
Disadvantages 
1. Increased storage
2. High per user cost
3. Increased management overhead.
4. Complex and unique base images.
Advantages -
1. Highly personalized for users
2. Increased user acceptance


Citrix Personal Vdisk
  • Enterprise Scope
  • Highly Personalized for users
  • Increase User acceptance.
  • Reduced Infrastructure requirements
  • Centralized Management
  • Uptime and Predictability.
Delivering and Managing the PvD Desktop
1. Common Base Setup, Install OS, Common Apps, and VDA in Base VM.
a. Install OS, Common Apps and VDA in base VM.
b. Create VM pool and entitle.
2. User Access
a. Login through Xendesktop client.
b. PVD assigned on first login
c. Locally administered dept apps.
d. User Installed Apps
e. Streamed Apps
3. Image Update
Update Base VM without affecting any user personalization.
 
PvD Disk Characteristics
1. May be attached to any storage targets defined in the hypervisor
a. Thin provisioning is supported for those hypervisors that support it.
b. Can be located on same as VM or different(IOPS split among locations)
2. Default size and location selected in Desktop Studio catalog creation
a. or PVS Xendesktop setup wizard if PVS is use.
b. PvD disk can be resized(more on this shortly)
Citrix Profile Management 
  • PvD works with Profile Management Solutions
  • PvD can be used as a simple profile management solution itself(For simple environments with single desktops)
  • PVD + Citrix Profile Manager(UPM) makes a powerful combination allowing customers to have roaming profiles and persistent personalization.

Business Value - More Users
  • 100% persistent personalization
  • Expand beyond task workers to knowledge workers
  • Support entitlement-based applications. 
Reduce Costs 
  • Reduce per-user cost by leveraging existing VDI investment.
  • Reduce infrastructure expenditures
  • Leverage existing knowledge, resources, tools.
More Quickly
  • Evolve toward full VDI deployments vs rip & replace.
  • Quickly increase scope of VDI footprint

Wednesday, February 1, 2012

Work better. Live better. The Citrix story.

Wednesday, December 21, 2011

Citrix Systems Honored as One of the Top 50 Best Places to Work in 2012


 When it comes to great employers, the employees know best. Glassdoor, a jobs and career community where people share workplace insights, has announced its fourth annual Employees’ Choice Awards, revealing this year’s top 50 Best Places to Work,” based on surveys collected from U.S.-based employees in 2011. Citrix Systems has been recognized as one of the top 50 Best Places to Work, a significant achievement, as nearly 150,000 companies are rated by their employees on Glassdoor.
“Glassdoor’s Employees’ Choice Awards recognize stand-out companies that have retained the support and commitment of their employees despite the tough economic climate,” said Robert Hohman, co-founder and CEO of Glassdoor. “Through anonymous employee reviews and surveys, Glassdoor offers a unique look into the top U.S. employers and some of the factors that make employees at these companies more satisfied with their jobs. For companies on the list, we typically get positive feedback on the company culture, benefits and open communication practices while we also tend to see competitive pay packages and high opinions of the chief executive.”
Glassdoor’s Employees’ Choice Awards rely solely on the input of employees, who provide constructive feedback on their work environment and senior management throughout the year via an anonymous survey. The survey addresses eight key workplace factors that include work/life balance, career opportunities, communication, compensation and benefits, fairness and respect, employee morale, recognition and feedback, and senior leadership. The ranking of the top 50 list was determined by each company’s overall Glassdoor rating, which is the cumulative average rating from employees who elected to participate in a 20-question survey between December 1, 2010 and November 23, 2011.
“It is wonderful to see employees feeling so good about the environment we strive to create — a better way to work and live,” said Mark Templeton, president and CEO, Citrix Systems.  “I am proud of our employees for their belief in our vision and commitment to excellence, both of which significantly contribute to making Citrix a great place to work.”
The complete list of the Glassdoor 2012 Top 50 Best Places to Work can be found here:http://www.glassdoor.com/Best-Places-to-Work-LST_KQ0,19.htm.
A complete copy of the Glassdoor survey along with additional information about the Best Places to Work methodology may be requested via email to: BestPlacestoWork (at) Glassdoor (dot) com. To receive regular updates from Glassdoor, visit the blog (http://www.glassdoor.com/blog/) and follow the career community on TwitterFacebook, and LinkedIn.

Monday, November 7, 2011

Local Drive (C drive) V$ is not accessible

Issue:
User receiving the message, Client C drive (V$) is not accessible

Solution:
Double click on Citrix Connection Centre, Choose Full Access.

Request user to try again. It should resolve the issue. 

Tuesday, October 18, 2011

Citrix Concepts made simple.


CITRIX training

What is Citrix?

Citrix is application delivery from a centralized location.
e.g.: Application, desktop, content

End users see only the Jpeg updates or image updates, mouse click and keyboard touch.Processing and the memory and disk usage happens on the server side. Jpeg image updates transfers over the WAN. Citrix uses very less band width. Citrix uses ICA protocol. Port number used by ICA protocol is 1494

Concepts

Citrix Data collector is the first server in citrix farm. We should not install any application on Data collector server. Collects Dynamic information – current session information, info keeps changing, current licensing usage information. Each farm will have one primary and secondary or backup data collector.

Reason for having backup data collector: If the primary Data collector goes down the secondary Dc will act as data collector.

Citrix Data store: Published application info, Printer driver info, no of servers in the farm, load balancing information.

Local host cache: contains the local copy of the entire data store information. IMALHC.mdb, i.e., Microsoft access database file.

Whenever we add any new server or application, the datastore synchronize with LHC. Every 30 min the LHC will synchronize with datastore.

How to recreate the LHC:
Run this command “DSMAINT RECREATE LHC” on the command prompt.

Manual refresh - DSMAINT REFRESH LHC

To point the new database server in citrix server
DSMAINT CONFIG usrname pwd servername

FARM: Collection of servers in different zones.

Zone: Depends on Geographical location

To run Citrix applications, we need Terminal services in Application server mode

There are two modes: Application mode, Install mode

During Citrix installation, change to install mode, “Change user /install”
Change user
/EXECUTe
/INSTALL
/QUERY

Change user /query – give you the mode type

Types of connections:
Web interface – Using Web-interface users and admins can access
1. There are two types of authentication
  • ·         Pass-through
  • ·         Explicit

2)Citrix Program Neighbourhood
3) XenApp plugin (old Citix ICA client)

Monday, April 18, 2011

Citrix Autocreate default client printers procedure.


Citrix Autocreate default client printers procedure.

1. Launch Terminal services configuration.
2. Double-click ->ICA-TCP, choose client settings tab, and under Disable the following,
make sure that windows printer mapping and clipboard mapping is unchecked
3. Double-click ->RDP-TCP, choose client settings tab, and under Disable the following,
make sure that windows printer mapping and clipboard mapping is unchecked