Endpoint Management 6.04 UMS Articles Start of the UMS Console / Web App Current: UMS Console doesn't start on Linux System without X11 PDF Download PDF Download page UMS Console doesn't start on Linux System without X11. Current page All pages UMS Console doesn't start on Linux System without X11 SymptomIGEL UMS doesn't start on Linux system without X11.ProblemThe UMS console application needs X11 to run.Solution Install X Window System (X11) to run IGEL UMS. ×