Solved Issue with running UUPDump trying to create Build (26100.3902) .ISO


IanMosley

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OS
Windows 11 Pro 26H2 (Build 26300.9539)
I've been experiencing various issues trying to create a Build (26100.3902) .iso from UUPDump.
  • can create download package OK
  • can successfully unpack the .zip file
  • can successfully run the 'download' phase
However,
  • runs out of space on 40 GB partition
  • does not complete the 'build' phase
Can any one suggest where I can report these faults to?
 

My Computer My Computer

At a glance

Windows 11 Pro 26H2 (Build 26300.9539)Intel Core Ultra 9 285 5.6 GHz32.00 GBIntel Integrated Graphics (128 MB)
OS
Windows 11 Pro 26H2 (Build 26300.9539)
Computer type
PC/Desktop
Manufacturer/Model
Dell Pro Max Tower T2 FCT2250
CPU
Intel Core Ultra 9 285 5.6 GHz
Motherboard
64-bit operating system, x64-based processor
Memory
32.00 GB
Graphics Card(s)
Intel Integrated Graphics (128 MB)
Sound Card
Realtek Audio
Monitor(s) Displays
Dell P2714H Monitor
Screen Resolution
1920 x 1080
Hard Drives
1 x 512GB M.2 XG10d SED KIOXIA PCIe solid state drive (Internal)
1 x 2TB Seagate ST2000DM008-2UB102 HDD (Internal)
1 x 4TB Seagate STGX4000400 External HDD
1 x 6TB WD Elements AE 2689 External HDD
PSU
500 Watts
Cooling
Air
Keyboard
Microsoft Wired Keyboard 600
Mouse
Microsoft USB Basic Optical Mouse v2.0
Browser
Firefox
Antivirus
Windows Defender + Malwarebytes Premium
Other Info
BaseBoard Manufacturer Dell Inc.
BaseBoard Product 022RY57
BaseBoard Version A01
There's a Discord, and some of the responsible parties post on forums.mydigitallife.net.
You might to try a different (older) build as a sanity check to see if you're experiencing the same issues with running out of space.
 

My Computer My Computer

At a glance

Windows 7
OS
Windows 7
Successfully built a .iso for Build(21600.3775) using my usual work partition

1.webp
 

My Computer My Computer

At a glance

Windows 11 Pro 26H2 (Build 26300.9539)Intel Core Ultra 9 285 5.6 GHz32.00 GBIntel Integrated Graphics (128 MB)
OS
Windows 11 Pro 26H2 (Build 26300.9539)
Computer type
PC/Desktop
Manufacturer/Model
Dell Pro Max Tower T2 FCT2250
CPU
Intel Core Ultra 9 285 5.6 GHz
Motherboard
64-bit operating system, x64-based processor
Memory
32.00 GB
Graphics Card(s)
Intel Integrated Graphics (128 MB)
Sound Card
Realtek Audio
Monitor(s) Displays
Dell P2714H Monitor
Screen Resolution
1920 x 1080
Hard Drives
1 x 512GB M.2 XG10d SED KIOXIA PCIe solid state drive (Internal)
1 x 2TB Seagate ST2000DM008-2UB102 HDD (Internal)
1 x 4TB Seagate STGX4000400 External HDD
1 x 6TB WD Elements AE 2689 External HDD
PSU
500 Watts
Cooling
Air
Keyboard
Microsoft Wired Keyboard 600
Mouse
Microsoft USB Basic Optical Mouse v2.0
Browser
Firefox
Antivirus
Windows Defender + Malwarebytes Premium
Other Info
BaseBoard Manufacturer Dell Inc.
BaseBoard Product 022RY57
BaseBoard Version A01
Increased 'build' partition size - fixed the problem.
 

My Computer My Computer

At a glance

Windows 11 Pro 26H2 (Build 26300.9539)Intel Core Ultra 9 285 5.6 GHz32.00 GBIntel Integrated Graphics (128 MB)
OS
Windows 11 Pro 26H2 (Build 26300.9539)
Computer type
PC/Desktop
Manufacturer/Model
Dell Pro Max Tower T2 FCT2250
CPU
Intel Core Ultra 9 285 5.6 GHz
Motherboard
64-bit operating system, x64-based processor
Memory
32.00 GB
Graphics Card(s)
Intel Integrated Graphics (128 MB)
Sound Card
Realtek Audio
Monitor(s) Displays
Dell P2714H Monitor
Screen Resolution
1920 x 1080
Hard Drives
1 x 512GB M.2 XG10d SED KIOXIA PCIe solid state drive (Internal)
1 x 2TB Seagate ST2000DM008-2UB102 HDD (Internal)
1 x 4TB Seagate STGX4000400 External HDD
1 x 6TB WD Elements AE 2689 External HDD
PSU
500 Watts
Cooling
Air
Keyboard
Microsoft Wired Keyboard 600
Mouse
Microsoft USB Basic Optical Mouse v2.0
Browser
Firefox
Antivirus
Windows Defender + Malwarebytes Premium
Other Info
BaseBoard Manufacturer Dell Inc.
BaseBoard Product 022RY57
BaseBoard Version A01
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