this old 2017 U3415W thread. DELL-Admin>

@swamped207

trying to get this to work in our current environment as well.

Diagnostic Report, generated 1/3/2023 (10.0.19042)
Copyright (c) 1995-2022, EnTech Taiwan.
Version = 1.56.2110
OS = 10.0.19042.2 x64
Mechanism = 3
Account = Administrator
Command line = "C:\Program Files (x86)\Dell\Dell Display Manager\ddm.exe"
////////////////////////////////////////
Configuration settings:
AutoRestoreWindowLayout = 0x00000000
AppFlags = 0x00002070
LastRC = ExpandConstant = Invalid command
EApolicy = 2028 2028 2028 2028 2028 2028
LastCheck = 0x0000AF81
LCID = 0x00000409
EnumErrorCount = 0x00000000
HintShown = 0x00000001
////////////////////////////////////////
10:12:43.927...Log opened
10:12:43.932...WinOS = 0
10:12:43.982...LanguageID = 0409 0409 0409
10:12:44.006...Build = 1.56.0.2110
10:12:44.007...Windows handles = 00010160 000200F2 00010164
10:12:44.012...OS monitor sleep timeout value = 0 ms.
10:12:44.013...Applied DPI = 96-240
10:12:44.014...VM = 0
10:12:44.085...VD = {F94F838C-372E-4C51-9350-CC7B1EC68FBC}
10:12:44.098...Registered DDM popup hotkey = Shift+Ctrl+D 6044
10:12:44.101...Registered EA layout MRU hotkey = Shift+Ctrl+Home 6024
10:12:44.103...Registered application window hotkey = Shift+Ctrl+Ins 602D
10:12:44.120...Remote asset management = 1
10:12:44.122...Remote registry service state = 2
10:12:44.252...WMI service state (unless firewalled) = 1
10:12:44.310...DMA = 0x03
10:12:44.321...Starting enumeration
10:12:44.332...Skipping unsupported device MONITOR\CTX0466\{4d36e96e-e325-11ce-bfc1-08002be10318}\0001
10:12:44.337......Status = 00000000
10:12:44.340...Skipping unsupported device MONITOR\CTX0466\{4d36e96e-e325-11ce-bfc1-08002be10318}\0002
10:12:44.344......Status = 00000000
10:12:44.345...Ending enumeration
10:12:44.349...New=CTX0466.0001 CTX0466.0002
10:12:44.370...Video power down timeout = 0
10:12:44.374...Display powered ON
10:12:44.375...User session connect
10:12:59.909...\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
10:12:59.909...Dump: Windows device enumeration
10:12:59.941...Display adapters:
10:12:59.961.....1.Citrix Indirect Display Adapter - PCI\VEN_5853&DEV_1003\{4d36e968-e325-11ce-bfc1-08002be10318}\0002
10:12:59.962.....2.Microsoft Basic Display Adapter - PCI\VEN_15AD&DEV_0405&SUBSYS_040515AD&REV_00\{4d36e968-e325-11ce-bfc1-08002be10318}\0000
10:12:59.962.....3.Citrix Display Only Adapter - PCI\VEN_5853&DEV_1002&SUBSYS_00000001&REV_00\{4d36e968-e325-11ce-bfc1-08002be10318}\0001
10:12:59.962...Monitors:
10:12:59.987.....1.Generic Non-PnP Monitor - MONITOR\Default_Monitor\{4d36e96e-e325-11ce-bfc1-08002be10318}\0000
10:12:59.988.....2.Generic PnP Monitor - MONITOR\CTX0466\{4d36e96e-e325-11ce-bfc1-08002be10318}\0001
10:12:59.988.....3.Generic PnP Monitor - MONITOR\CTX0466\{4d36e96e-e325-11ce-bfc1-08002be10318}\0002
10:12:59.988...Visible monitors = 2
10:12:59.989...1.DeviceName = \\.\DISPLAY2
10:12:59.989.....DeviceFlags = 00000000
10:12:59.989.....DeviceString = Microsoft Basic Display Adapter
10:12:59.989.....DeviceID = PCI\VEN_15AD&DEV_0405&SUBSYS_040515AD&REV_00
10:12:59.989.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{DD2F35DB-DDB8-11EC-AD03-806E6F6E6963}\0000
10:12:59.990.....a.MonitorName = \\.\DISPLAY2\Monitor0
10:12:59.990.......MonitorFlags = 00000002
10:12:59.990.......MonitorString = Generic Non-PnP Monitor
10:12:59.991.......MonitorID = MONITOR\Default_Monitor\{4d36e96e-e325-11ce-bfc1-08002be10318}\0000
10:12:59.991.......MonitorKey = \Registry\Machine\System\CurrentControlSet\Control\Class\{4d36e96e-e325-11ce-bfc1-08002be10318}\0000
10:12:59.991.......Raw EDID = 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
10:12:59.992...2.DeviceName = \\.\DISPLAY3
10:12:59.993.....DeviceFlags = 00080005
10:12:59.993.....DeviceString = Citrix Display Only Adapter
10:12:59.993.....DeviceID = PCI\VEN_5853&DEV_1002&SUBSYS_00000001&REV_00
10:12:59.993.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{A4ED3575-EBF5-11EC-AD2A-005056A73C88}\0000
10:12:59.994.....a.MonitorName = \\.\DISPLAY3\Monitor0
10:12:59.994.......MonitorFlags = 00000003
10:12:59.994.......MonitorString = Generic PnP Monitor
10:12:59.994.......MonitorID = MONITOR\CTX0466\{4d36e96e-e325-11ce-bfc1-08002be10318}\0001
10:12:59.995.......MonitorKey = \Registry\Machine\System\CurrentControlSet\Control\Class\{4d36e96e-e325-11ce-bfc1-08002be10318}\0001
10:12:59.995.......Raw EDID = 00FFFFFFFFFFFF000E98660434324D43211201030E2213782A9FC1A6564B9A25135054BFEF80A94081808140714F0101010101010101DCFFFFA0F0FF23F03020360006442100001A000000FD0000FF00FF19000A202020202020000000FC004369747269784D6F6E69746F72000000FF0048564C513830333130310A202000B9
10:12:59.996...3.DeviceName = \\.\DISPLAY4
10:12:59.996.....DeviceFlags = 00080001
10:12:59.996.....DeviceString = Citrix Display Only Adapter
10:12:59.997.....DeviceID = PCI\VEN_5853&DEV_1002&SUBSYS_00000001&REV_00
10:12:59.997.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{A4ED3575-EBF5-11EC-AD2A-005056A73C88}\0001
10:12:59.998.....a.MonitorName = \\.\DISPLAY4\Monitor0
10:12:59.998.......MonitorFlags = 00000003
10:12:59.998.......MonitorString = Generic PnP Monitor
10:12:59.998.......MonitorID = MONITOR\CTX0466\{4d36e96e-e325-11ce-bfc1-08002be10318}\0002
10:12:59.999.......MonitorKey = \Registry\Machine\System\CurrentControlSet\Control\Class\{4d36e96e-e325-11ce-bfc1-08002be10318}\0002
10:12:59.999.......Raw EDID = 00FFFFFFFFFFFF000E98660434324D43211201030E5021782A9FC1A6564B9A25135054BFEF80A94081808140714F0101010101010101DCFFFFA0F0FF23F03020360006442100001A000000FD0000FF00FF19000A202020202020000000FC004369747269784D6F6E69746F72000000FF0048564C513830333130310A2020007D
10:13:00.000...4.DeviceName = \\.\DISPLAY5
10:13:00.000.....DeviceFlags = 00080000
10:13:00.001.....DeviceString = Citrix Display Only Adapter
10:13:00.001.....DeviceID = PCI\VEN_5853&DEV_1002&SUBSYS_00000001&REV_00
10:13:00.001.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{A4ED3575-EBF5-11EC-AD2A-005056A73C88}\0002
10:13:00.002...5.DeviceName = \\.\DISPLAY6
10:13:00.002.....DeviceFlags = 00080000
10:13:00.002.....DeviceString = Citrix Display Only Adapter
10:13:00.002.....DeviceID = PCI\VEN_5853&DEV_1002&SUBSYS_00000001&REV_00
10:13:00.003.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{A4ED3575-EBF5-11EC-AD2A-005056A73C88}\0003
10:13:00.003...6.DeviceName = \\.\DISPLAY7
10:13:00.004.....DeviceFlags = 00080000
10:13:00.004.....DeviceString = Citrix Display Only Adapter
10:13:00.004.....DeviceID = PCI\VEN_5853&DEV_1002&SUBSYS_00000001&REV_00
10:13:00.004.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{A4ED3575-EBF5-11EC-AD2A-005056A73C88}\0004
10:13:00.005...7.DeviceName = \\.\DISPLAY8
10:13:00.005.....DeviceFlags = 00080000
10:13:00.005.....DeviceString = Citrix Display Only Adapter
10:13:00.006.....DeviceID = PCI\VEN_5853&DEV_1002&SUBSYS_00000001&REV_00
10:13:00.006.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{A4ED3575-EBF5-11EC-AD2A-005056A73C88}\0005
10:13:00.007...8.DeviceName = \\.\DISPLAY9
10:13:00.007.....DeviceFlags = 00080000
10:13:00.007.....DeviceString = Citrix Display Only Adapter
10:13:00.007.....DeviceID = PCI\VEN_5853&DEV_1002&SUBSYS_00000001&REV_00
10:13:00.008.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{A4ED3575-EBF5-11EC-AD2A-005056A73C88}\0006
10:13:00.008...9.DeviceName = \\.\DISPLAY10
10:13:00.008.....DeviceFlags = 00080000
10:13:00.009.....DeviceString = Citrix Display Only Adapter
10:13:00.009.....DeviceID = PCI\VEN_5853&DEV_1002&SUBSYS_00000001&REV_00
10:13:00.009.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{A4ED3575-EBF5-11EC-AD2A-005056A73C88}\0007
10:13:00.010...10.DeviceName = \\.\DISPLAY11
10:13:00.010.....DeviceFlags = 00000000
10:13:00.010.....DeviceString = Citrix Indirect Display Adapter
10:13:00.010.....DeviceID = PCI\VEN_5853&DEV_1003
10:13:00.011.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{A4ED357E-EBF5-11EC-AD2A-005056A73C88}\0000
10:13:00.012...11.DeviceName = \\.\DISPLAY12
10:13:00.012.....DeviceFlags = 00000000
10:13:00.013.....DeviceString = Citrix Indirect Display Adapter
10:13:00.014.....DeviceID = PCI\VEN_5853&DEV_1003
10:13:00.014.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{A4ED357E-EBF5-11EC-AD2A-005056A73C88}\0001
10:13:00.015...12.DeviceName = \\.\DISPLAY13
10:13:00.015.....DeviceFlags = 00000000
10:13:00.015.....DeviceString = Citrix Indirect Display Adapter
10:13:00.015.....DeviceID = PCI\VEN_5853&DEV_1003
10:13:00.015.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{A4ED357E-EBF5-11EC-AD2A-005056A73C88}\0002
10:13:00.016...13.DeviceName = \\.\DISPLAY14
10:13:00.016.....DeviceFlags = 00000000
10:13:00.017.....DeviceString = Citrix Indirect Display Adapter
10:13:00.017.....DeviceID = PCI\VEN_5853&DEV_1003
10:13:00.017.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{A4ED357E-EBF5-11EC-AD2A-005056A73C88}\0003
10:13:00.018...14.DeviceName = \\.\DISPLAY15
10:13:00.019.....DeviceFlags = 00000000
10:13:00.019.....DeviceString = Citrix Indirect Display Adapter
10:13:00.019.....DeviceID = PCI\VEN_5853&DEV_1003
10:13:00.020.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{A4ED357E-EBF5-11EC-AD2A-005056A73C88}\0004
10:13:00.021...15.DeviceName = \\.\DISPLAY16
10:13:00.021.....DeviceFlags = 00000000
10:13:00.021.....DeviceString = Citrix Indirect Display Adapter
10:13:00.021.....DeviceID = PCI\VEN_5853&DEV_1003
10:13:00.022.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{A4ED357E-EBF5-11EC-AD2A-005056A73C88}\0005
10:13:00.023...16.DeviceName = \\.\DISPLAY17
10:13:00.023.....DeviceFlags = 00000000
10:13:00.023.....DeviceString = Citrix Indirect Display Adapter
10:13:00.024.....DeviceID = PCI\VEN_5853&DEV_1003
10:13:00.024.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{A4ED357E-EBF5-11EC-AD2A-005056A73C88}\0006
10:13:00.025...17.DeviceName = \\.\DISPLAY18
10:13:00.025.....DeviceFlags = 00000000
10:13:00.026.....DeviceString = Citrix Indirect Display Adapter
10:13:00.026.....DeviceID = PCI\VEN_5853&DEV_1003
10:13:00.026.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{A4ED357E-EBF5-11EC-AD2A-005056A73C88}\0007
10:13:00.027...18.DeviceName = \\.\DISPLAY1
10:13:00.028.....DeviceFlags = 00000000
10:13:00.028.....DeviceString = SARCXPMIRRORDEV
10:13:00.028.....DeviceID =
10:13:00.028.....DeviceKey = \REGISTRY\Machine\System\ControlSet001\Services\SARCXPMirrorDevice\Video
10:13:00.029...Total number of monitors enumerated = 3
10:13:00.029...\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\