Of course this list is not conclusive, so I will update it whenever a new root cause is discovered for the Black, White or Grey Screen of Death issue.Īs with all cases, first check to ensure that your issue is not in the list of known issues of your Citrix Virtual Apps and Desktops, such as in the following example. I am summarizing below all the possible root causes I have seen in production environments. There are various factors which can contribute to black, white (blank) or grey screens issue in Citrix Virtual Apps and Desktops. Important note: Always check the applicability of any solution or workaround to the specific version and edition of WIndows Server, Citrix Virtual Apps and Desktops, Citrix Gateway and Citrix Workspace App client. Most of these issues are resolved in the latest CR and LTSR versions of Citrix Virtual Apps and Desktops. There have been many cases especially of black screen issues in previous versions of Citrix Virtual Apps and Desktops, formely known as XenApp and XenDesktop. Technically speaking, the above issues are not equivalent to a BSOD but given that it is still a blocking issue for the end user, it could be called Black, White (blank) or Grey Screen of Death (BWGSOD). In the case of a black screen, the user Citrix session is established and the user is either eventually presented with the Citrix desktop after a long waiting time or is entered into a loop and never sees the Citrix desktop. In this case, an SMB connection is established to the file server where the user folder redirection data and user profile data are stored. In the case of a white (blank) or grey screen, the user session is not established in Citrix and the user is not shown in the VDA server or in Citrix Director but a local profile folder is created for that user.
Most frequently the screen seems to be frozen at the black or grey screen and the user cannot logon, as shown in the screenshot below. In the case of End User Computing (EUC) and more specifically Citrix Virtual Apps and Desktops there are occurences of events where a black, white (blank) or grey screen appears during user logon.
CITRIX WORKSPACE FOR WINDOWS 10 DRIVERS
They may be attributed to hardware, drivers or software applications. These are most common in older Windows operating systems but continue to occur until today. Traditionally we have been referring to the so called “Blue Screens of Death (BSOD)” which are blue screens with diagnostic messages thrown at the user when there is a critical and blocking issue at the operating system level.
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