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Last modified by Sebastian Marsching on 2025/10/22 21:45
From version 6.1
edited by Sebastian Marsching
on 2025/10/22 21:45
Change comment: There is no comment for this version
To version 5.5
edited by Sebastian Marsching
on 2025/10/22 21:41
Change comment: There is no comment for this version

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121 121  When generating the Windows Update log file on the client with the PowerShell `Get-WindowsUpdateLog` cmdlet, the log file would show entries like the following ones:
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123 -I found various hints that mostly pointed to the limits in `C:\Program Files\Update Services\WebServices\ClientWebService/Web.config`, but increasing those limits did not help at all. In the end, I found the [relevant piece of information](https://batchpatch.com/forums/x/topic/windows-update-error-1611-106-failure/): The `uploadReadAheadSize` in the IIS configuration had to be increased. This can be done by opening the _Internet Information Services (IIS) Manager_, choosing the _WSUS Administration_ site, under _Management_ choosing the _Configuration Editor_, selecting the `system.webServer/serverRuntime` section, and finally increasing the `uploadReadAheadSize` from its default value of 49152 bytes. I chose to increase it by a factor fo ten, which proved to be sufficient in my case. After this, one has to click _Apply_ on the right and restart IIS by running the `IISReset` command.
123 +I found various hints that mostly pointed to the limits in `C:\Program Files\Update Services\WebServices\ClientWebService/Web.config`, but increasing those limits did not help at all. In the end, I found the [relevant piece of information](https://batchpatch.com/forums/x/topic/windows-update-error-1611-106-failure/): The `uploadReadAheadSize` in the IIS configuration had to be increased. This can be done by opening the Internet Information Services (
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125 125  # Resources
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