Charlie Mac and Associates

  1. Uncategorized

Issues and possible solutions

I wanted to provide a single place where we can list the issues we have come across and how we solved them. There is a chance they may help someone else.



  • Print job produces error on printer. We sometimes see a printer produce the following error, or similar: The Paper Size / Orientation in Tray 3 is different from the selected size. The root cause is that the printer driver default is set to Letter when the printer is only configured to accept A4. To correct this, first check regional settings on the client (in Windows 10, search for and select Region Settings from the Search Bar). Then ensure regional settings are correct. Australia or Europe should apply A4 as a default. Others will apply Letter as the default. In addition, check the default of the print driver too. Search for and select Printers & Scanners in the Windows 10 Search Bar. Then click on the printer that you are using and then Manage. Click Printer Preferences, then Paper/Quality | Advanced. Ensure that paper size is then set to A4. Click Apply, then OK. Refer to for more details
  • Print jobs not coming through. In this case, users were reporting that their jobs weren’t showing up in the print release queue on the printer. Tracking the print down, we found that Universal Print had sent the print, but it wasn’t showing up as being held by PaperCut. In addition, PaperCut reported that the Universal Print connector was unavailable. This was fixed by 1) Updating universal-print.server.trusted-cert to N (found under Options | Config Editor (advanced), and 2) restarting the server, and stopping and restarting the PaperCut connector for Universal Print and the PaperCut Application Server.

Windows Virtual Desktop

  • User unable to start a web app or log into their virtual desktop – sometimes, a user session will hang on the VM running the web apps / desktops. RDP into the VM and go to Task Manager | Users. Locate the user and sign them out (right click, Sign Out).

Exchange Online

  • Resource calendars allow more than one booking for a timeslot. This can be fixed by updating the AllowConflict switch on the calendar to $false. To do this, start PowerShell as an admin, and run $LiveCred = Get-Credential to get Office365 credentials and then Connect-ExchangeOnline -UserPrincipalName [admin account] -ShowProgress $true to connect to Exchange Online. To get the status on all switches related to a resource, run: Get-CalendarProcessing [resource account] | Format-List. Then to set the AllowConflict switch, run: Set-CalendarProcessing [resource account] -AllowConflicts $false

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