Scheduling Citrix server maintenance

A common approach to prevent users from logging on to a Citrix server is to uncheck the “Enable logons to this server” checkbox. You could do this the evening before maintenance is planned, and then after a server reboot no users will be connected anymore, so you can start the server maintenance without any problem. (Citrix Presentation Server 4.0 shown below)

Load_Evaluator_00.jpg

You may run into a problem when you use this way of working: it not only disables ICA connections, but also RDP connections !

A more elegant solution is to configure “Load Evaluators”; these allow for scheduling without loosing the RDP connection possibilities.

Rightclick “Load Evaluators”, and select “New Load Evaluator”.

Load_Evaluator_01.jpg

Give it a name (for example “Only RDP”, “Maintenance”, …), and add Scheduling.
Set the “Times of Day” for all days/times during which ICA and RDP are allowed.

Now just remove the “Times of Day” (or modify the time) to allow maintenance.

Load_Evaluator_02.jpg

Rightclick the server where maintenance is planned, and select “Load Manage Server”.

Load_Evaluator_03.jpg

Now just select the “Load Evaluator” you have created for maintenance.

Load_Evaluator_04.jpg

After the maintenance, set the “Load Manager Server” again to the standard Load Evaluator (for example “Default”).

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