Troubleshooting Slow ESP App Installations in Windows 11 Autopilot Intune

Question

Hi all,

Hello Engineers, I have a situation in my project, I am enrolling windows 11 devices via autopilot, since last week i noticed it started talking long time to build l, what I found was, in ESP during device setup apps are getting installed very slow, which in turn increases period of enrollment to complete, I have seen it has increased from less than an hour to 6-7 hours. Anyone who is facing a similar issue or anyone who can help, we are enrolling fresh devices cloud only.

Question Posted by Sajid Ahmad in the HTMD FB group

Windows 11 Autopilot Enrollment Delays Slow App Installation During ESP - Fig.1
Windows 11 Autopilot Enrollment Delays Slow App Installation During ESP – Fig.1
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admin 2025-04-23T19:27:19+05:30 2 Answers 195 views Beginner
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Answers ( 2 )

  2. Rasmi p
    0
    2025-04-23T21:44:09+05:30
    Reply

    Replied by Ryan Matthew

    I would recommend using blocking apps, and only select 5 or less blocking apps. The other apps assigned as required can be installed afterwards.

    Replied by Sajid Ahmad

    Thank you all for your support and responses, I found the reason was Delivery optimization policy, which was charged for the download from http timings 60 sec to 1440 sec. After removing it, it fixed the issue, and now it’s the normal time, which is 40 minutes.

    Replied by Rudy Ooms

    Depends on alot… assuming you ruled out the network? How does your esp setup look like? How many apps did you configured as required? How did you configured delivery optimization?

  4. Rasmi p
    0
    2025-04-23T21:43:36+05:30
    Reply

    For more details – Windows AutoPilot Step-by-Step Admin Guide to Provision Windows 10 11 Devices – https://www.anoopcnair.com/provision-windows-10-with-windows-autopilot/
    Step-by-Step Guide Windows Autopilot Process with Intune

    Replied by Cheenu RocknRoll

    Pls ensure you are not mixing up the Wind 32 apps and Public apps together. Isolate the issue by just deploying one app and then check for the affected one

    Replied by Danish Khan

    6-7 hours seems unusually long. Check your internet connection, try another location

    Replied by Daniel Surdea

    Try to avoid installing MSI and Win32 apps during the ESP phase. Make sure no changes were made in your network and review all the endpoints links needed for Intune and make sure all are added to the exception list of the firewall.

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