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Citrix Presentation Server 4.0 to XenApp 6

Current environment has 2 PS4 servers on Windows 2003. Moving to virtual environemnt with all Win 2008 server 64 bit. None of current servers will be remaining online once implemented.  We have Sub Advantage so are eligible for XenApp 6.5 Advanced.

Can I install XenApp in virtual environment and create a different farm and run in parallel with current farm until the migration is completed. I would think I could install a new license server and data store and then move users over once the setup of the new farm is completed. Am looking to upgrade software at the same time (example going from Office 2007 to 2010). Same licensing questions apply to terminal server.  

Will this work or will XenApp find the current server farm?   Is there anything I need to be aware of that could cause issues with installation and configuration with either terminal services or Citrix

Thanks
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kingsville
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kingsville
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Carl WebsterCommented:
You will be required to install a new data store.  XA 6.5 also requires the new 11.9 license server.

PS4 and XA6.5 CANNOT use the same data store.  Trying to do so will damage or destory the data store.

Web Interface can be used to enable your migration.  Point WI to both farms.  WI will only show the applications the user has access to.  That way you can install Office 2010 in the new farm, publish it and give access to the users when they are ready.  This will allow users to run applications from both farms and they will not know which farm an app is coming from.
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kingsvilleAuthor Commented:
PS4 farm will need to be pointed to the new license server as well or it can remain pointed at the current license server?

Separate data store not an issue as I will likely place this datastore on new SQL box being created in virtual environment.

WI will be able to see both farms once installed or is there configuration to get it to see PS4 farm. I'm new to XenApp so at this point I am not up on all the features
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Carl WebsterCommented:
Either way works.  Since you will have a new license server, it will have a different hostname that your current license file.  YOu will need to go to mycitrix.com, return your licenses and reallocate them to the new license server.  Or you can leave the old farm pointing to the old license server.

In the WI site, click on Manage Farms, add a new farm and then add your new farm's data collector and XML port.  WI interface will now aggregate the two farms on one WI site.
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kingsvilleAuthor Commented:
So I can run concurrent license servers for a short period? That seems easiest to me to make less configuration changes for users while the process is taking place. I dont expect them to be running parallel very long.

Will I be able to publish a desktop in WI with required apps for users? Have a number of users that have just a thin client connecting via ICA
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Carl WebsterCommented:
You can technically run a license server for every PS or XA server!

Published desktop is easy to do.  When you use the Publish Wizard, select the radio button for Server Desktop.  Then add the servers and users.  Hard part will be creating a lockdown group policy for the servers to use.  You don't want users being about to install WIndows updates or reboot the server or shut it down!
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kingsvilleAuthor Commented:
I created a lock down policy in my current environment. Hopefully I can mimic that on the virtual side. thanks for your help
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Carl WebsterCommented:
2008 R2 has hundreds more settings that can be used in a GPO than 2003/2000 did.
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