Hi, trying to update vNext/2022 from 22483 LTSC Preview to 22509. Get message "We can't tell if your PC has enough space to continue installing Windows Server, Try restarting setup." Did that 3 times, no success. Same result with another nearly identical server. Weird thing happened on both servers before: Update installed "CU for Windows 11 Insider Preview (10.0.22509.1011) (KB0008918)", on one machine even twice. Why installing Win11 on a 2022 server? Best regards, Marcel

Do you have sufficient space to install the Windows Server?Try perform a Disk Cleanup.

To Reza Ameri, Thanks. On both machines Server 2019 were installed until ca. 2 months ago. Since then, various 2022 installations took place w/o problems. Machine 1 free space: A:\424 GB, C:\357 GB, D:\424GB, machine 2 free space: A:\62.2GB, C:\359GB, D:\476GB,> Try perform a Disk Cleanup.Why? See no reason for this.

Marcel_Schneider https://support.microsoft.com/en-us/topic/-there-is-not-enough-free-space-on-partition-c-error-when-you-try-to-upgrade-to-windows-7-windows-server-2008-r2-or-windows-server-2012-c170dcf0-0770-2cdc-b802-e29620db3096This might help

Thank you for the suggestion. The message is "We can't tell if your PC has enough space to continue installing Windows Server, Try restarting setup." not "There is not enough free space on partition (drive:). A total of space_size megabytes (MB) of free disk space is required. Try Disk Cleanup, or moving files to an external location such as a CD, DVD, or external hard drive, and then restart the installation." Paging file is 62.5 GB.

And to complete the answer: 5 GB memory is in use of 64 GB (according to system monitor 7%), committed ("virtual") memory is 8/126 GB, cached 5.1 GB, paged/non-paged pool 609/306 MB. IMO more than enough.

Installation space problem with LTSC Preview to 22509

watcher89
Copper Contributor
Dec 14, 2021
Marcel_Schneider
https://support.microsoft.com/en-us/topic/-there-is-not-enough-free-space-on-partition-c-error-when-you-try-to-upgrade-to-windows-7-windows-server-2008-r2-or-windows-server-2012-c170dcf0-0770-2cdc-b802-e29620db3096
This might help
- Marcel_Schneider
  Copper Contributor
  Dec 14, 2021
  And to complete the answer: 5 GB memory is in use of 64 GB (according to system monitor 7%), committed ("virtual") memory is 8/126 GB, cached 5.1 GB, paged/non-paged pool 609/306 MB. IMO more than enough.
- Marcel_Schneider
  Copper Contributor
  Dec 14, 2021
  Thank you for the suggestion. The message is "We can't tell if your PC has enough space to continue installing Windows Server, Try restarting setup." not "There is not enough free space on partition (drive:). A total of space_size megabytes (MB) of free disk space is required. Try Disk Cleanup, or moving files to an external location such as a CD, DVD, or external hard drive, and then restart the installation." Paging file is 62.5 GB.
Reza_Ameri
Silver Contributor
Dec 13, 2021
Do you have sufficient space to install the Windows Server?
Try perform a Disk Cleanup.
- Marcel_Schneider
  Copper Contributor
  Jul 21, 2022
  Tried all current version up to Build 25158 EN, Windows Server LTSC Preview. When trying to install with option "Keep files etc." the same message appears as in late December 2021: “We can’t tell if your PC has enough space to continue installing Windows Server. Try restarting”. This to me is no progress at all.
- Marcel_Schneider
  Copper Contributor
  Dec 13, 2021
  To Reza Ameri, Thanks. On both machines Server 2019 were installed until ca. 2 months ago. Since then, various 2022 installations took place w/o problems. Machine 1 free space: A:\424 GB, C:\357 GB, D:\424GB, machine 2 free space: A:\62.2GB, C:\359GB, D:\476GB,
  > Try perform a Disk Cleanup.
  Why? See no reason for this.
  - Reza_Ameri
    Silver Contributor
    Dec 14, 2021
    In case you have sufficient space you don't need Disk Cleanup.
    Have you check the installer log files?
    They are located on:
    C:\WINDOWS\setupapi.log
    C:\WINDOWS.~BT\Sources\Panther\setupact.log
    C:\WINDOWS.~BT\Sources\Panther\setuperr.log
    C:\WINDOWS.~BT\Sources\Panther\PreGatherPnPList.log
    
    Assuming Windows installed on the C: drive.

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Installation space problem with LTSC Preview to 22509

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