A data collector is an in-memory database that maintains dynamic information about the servers in the zone, such as server loads, session status, published applications, users connected, and license usage.
Data collectors receive incremental data updates and queries from servers within their zone. Data collectors relay information to all other data collectors in the farm. The data collector tracks, for example, which applications are available and how many sessions are running on each server in the zone.
One of the most important components is the Citrix Data Store. The Datastore is a database storing the static information about the Citrix Farm. Think of settings for the load evaluator, published applications, zones and much more.
When writing a design the decisions made for the Data Store can have much influence in the practical usage of the Citrix infrastructure.
Type of Database First the type of database you would like to use should be determined.
A DSN stores the data source information necessary for the Driver Manager to connect to the database. This can be configured either through the ODBC(Open Database Connectivity) Administrator or in a DSN file. On Windows, the information is called a system or user DSN and is stored in the Registry.
Open Run and type the following command to open Microsoft ODBC Manager:
%SystemRoot%\system32\odbcad32.exe.
Or it is available under Control Panel–> Administrative Tools–>Data Sources(ODBC).
In computer networks, a DMZ (demilitarized zone) is a computer host or small network inserted as a “neutral zone” between a company’s private network and the outside public network. It prevents outside users from getting direct access to a server that has company data. (The term comes from the geographic buffer zone that was set up between North Korea and South Korea following the UN “police action” in the early 1950s.
you can enable IMA encryption after you install or upgrade to XenApp. To enable IMA encryption, perform the following tasks:
• On any server in the farm, use the IMA encryption utility to generate a key
• Load the key to that server and enable IMA encryption
• Load the key on subsequent servers on the farm
To generate a key and enable IMA encryption on the first server in a farm
By default only administrators can shadow other user’s sessions. If you want to give permission to all of your users to shadow other users, do the following:
Step 1:
On Xenapp server, open terminal services configuration, double click on ICA-tcp(on right hand side), security tab, select remote desktop users group, advanced, choose remote desktop users group, click edit, and check the box remote control.
Step 2:
Create a policy, open the policy properties, select User Workspace\Shadowing.
The Farm Metric Server is a MetaFrame CPS(Citrix Presentation Server) server that is selected to correlate all farm metrics and server events as it relates to the entire farm. Currently, the only farm metric that is available is the application count for applications. Valid server events that are identified by the Farm Metric Server are server down, server up, metric green, metric red and metric yellow. Every time a server goes down or comes up, the Farm Metric Server is notified.
When you administrate servers running Windows Server 2000 or 2003, one of the most frustrating experiences is when sessions get cut off but the server still thinks they are active. You’ll get this error message, which you are sure to encounter at some point:
The terminal server has exceeded the maximum number of allowed connections.
You can help prevent this from happening by setting a policy on the server to automatically disconnect when idle.
I ran into a problem where I was trying to uninstall XenApp5 from my Windows 2008 server. The uninstall process initially gather’s information about the application installed, and then an error message pops up and kicks off your RDP session, or it simply can’t uninstall XenApp
Essentially you need to open command prompt, browse to the directory where your source mps.msi file is. I copied the source CD to the server so it’s C:\Installs\XA50_WS2008_EN\XenApp Server\w2k8 then type the command:
XenApp 5 is designed to bring world-class application delivery to Windows Server 2003 and Windows Server 2008 and optimize and enhance the Microsoft platform. To learn more about XenApp 5 for Windows Server 2003, see CTX113699 and CTX116622.
Below are the new features and benefits added in XenApp 5.
Citrix XenApp 5 introduces more than 50 new major enhancements! Some of the most prominent are IPv6 communications, preferential load balancing, and application monitoring utilizing EdgeSight technology.
