– Make sure the disk are correctly redirected in the remote session. 

This can be checked in the local ressources tab of the client generator. 

You can also edit your connection client’s settings with this procedure to check the presence of the “-disk on”parameter : 

– Make sure your antivirus is not preventing the transfer of the print job.

On server side, you may need to set an exclusion rule in your antivirus on the following path : C:\Program Files (86)\RDPlus and C:\wsession

On client side the exclusion is to be set the following path : C:\Users\Nameoftheuser\RDP6

– Check the presence of two universal printer driver.

Open a control panel / Devices and Printers click on the universal printer and click on “Print server properties” and click on the drivers tab. 

There should be either the CustPDF driver (old driver from version 9 and below) or the Ghostscript PDF (newest driver) driver. 

If both are present, delete one of them. 

If this is not enough, you can now reinstall the Universal Printer completely in the AdminTool 

In the AdminTool, go to Printer and click on Remove the Universal Printer, 
Then click on Install Universal Printer (Ghostscript).

If you are using an older version of RDPlus (not recommended!), go to add / remove program in the control panel and look for universal printer, click uninstall and reboot. 

You can also force the uninstall by clicking on the removeuniversalprinter.exe located in C:\Program Files (x86)\RDPlus\UserDesktop\files

You will be able to reinstall the Universal printer after rebooting by clicking on installuniversalprinter.exe