Said It Here

Why are computer fleet updates failing to install?

Updates are failing after completely installing and restarting, leaving administrators with persistent error codes across multiple servers and machines. Short of fully reimaging the systems, standard recovery methods are failing to resolve the issue.

Overview
People affected6 accounts across 1 forum
Workarounds found15 items attempted
Community agreement48 total upvotes

What people tried

Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.

15 items+ Contribute

Found another way around this?

Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.

  1. 1
    trying DISM with source iso's
    Did this help you?
  2. 2
    resetting update cache
    Did this help you?
  3. 3
    trying an IPU
    Did this help you?
  4. 4
    growing the EFI partition
    Did this help you?
  5. 5
    installing the .NET update manually
    Did this help you?
  6. 6
    deleting the contents of the SoftwareDistribution folder
    Did this help you?
  7. 7
    clearing out the CCMCache
    Did this help you?
  8. 8
    running SFC
    Did this help you?
  9. 9
    Running DISM component cleanup
    Did this help you?
  10. 10
    Rebooting the server
    Did this help you?
  11. 11
    Reviewing CBS logs
    Did this help you?
  12. 12
    Manually installing older security cumulative patches or Servicing Stack Updates (SSU)
    Did this help you?
  13. 13
    Performing a fresh installation of the target operating system and migrating roles and data manually instead of doing an in-place upgrade.
    Did this help you?
  14. 14
    Comparing failing machines against successful ones to check for vendor agents, pending updates, and storage or driver issues.
    Did this help you?
  15. 15
    Get Intune.
    Did this help you?
Tried another approach not listed above?+ Share your workaround ↑

In their words

Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.

r/sysadmin6 people · September 2026

“After installation, halfway through the Windows Update process, the laptops all start to fail in weird ways.”source ↗

“A reboot doesn't fix it - usually a black screen with a cursor is all that comes back up.”source ↗

Mr_McFeelMe · r/sysadmin · 42 upvotes

“My entire fleet of computers is failing to take the September update.”source ↗

“Short of reimagine, I’m not really sure what else to try.”source ↗

Surfin_Cow · r/sysadmin · 14 upvotes

“Anyone has any tips in increasing the success rate of in place upgrading Server 2016s to 2022? I swear I’ve had 10x more issues with 2016 than 2012 R2 to 2019 with upgrades getting stuck and having to rollback/revert snap.”source ↗

“I had 2 tonight that kept getting stuck on “working on updates 99%” for 4+ hours and would not finish.”source ↗

xEryx · r/sysadmin · 13 upvotes

“I've a windows server 2019 without updates from 2021.”source ↗

“I'm searching to update but when windows update prompt the cumulative update 2026-09 I've always error 0x80073701”source ↗

“DISM /Online /Cleanup-Image /StartComponentCleanup ok”source ↗

“Rebooted but I can't solve.”source ↗

Demand-Nervous · r/sysadmin · 2 upvotes

“I’m noticing that the Windows Server patch updates are failing after completely installing and restarting to apply the patches.”source ↗

Aggressive_Common_48 · r/sysadmin · 1 upvotes

“We use WSUS, and are seeing similar issues with 4 of my 40 servers.”source ↗

DeliBoy · r/sysadmin · 1 upvotes

Where this came up

People with this problem also raised