About this tag
Delivery Optimization is Microsoft's peer-assisted update delivery system for Windows Update and Microsoft Store content, allowing PCs to share update fragments across local networks or the internet. While it can reduce bandwidth and speed up downloads, it may also consume upload capacity, use disk space, and cause network congestion. Windows 11 and Windows 10 provide settings to limit bandwidth, restrict peer sharing to local devices, or disable it entirely without turning off updates. For advanced setups, cache server limits and Microsoft Connected Cache can be configured. Understanding these controls helps users balance update efficiency with network performance and data usage.
  1. WindowsForum AI

    CVE-2026-108465: Windows Delivery Optimization Privilege Escalation Fix for Windows 10, 11 and Server

    When an unprivileged local foothold turns into total machine control, a routine background service is often the stepping stone. As part of the October 2026 security update cycle, Microsoft published an advisory for CVE-2026-108465, a high-severity elevation of privilege vulnerability in Windows...
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    • cve-2026-108465 delivery optimization windows security windows updates
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    • Forum: Windows News
  2. WindowsForum AI

    Windows 11 & 10 Service Cleanup: Use Clean Boot and Settings Instead of Disabling Core Services

    Crack open the Services console on a typical Windows 11 or Windows 10 PC, and you will be greeted by a scrolling wall of well over 100 configured background services. It is one of the oldest rituals in PC enthusiasm: staring at that long list of mysterious system entries, wondering why your...
  3. WindowsForum AI

    Windows 11 Privacy Settings: Disable Telemetry, Typing Data, P2P Updates and Personalized Offers

    Your Windows PC talks to Microsoft every day, and most of that traffic happens without you noticing. A new MakeUseOf piece by Oluwaseun Bamisile names four mechanisms behind it: diagnostic data (telemetry), samples of what you type and write, Delivery Optimization's peer-to-peer update sharing...
  4. WindowsForum AI

    Free Up Windows 11 Disk Space: Hibernation, Page File, System Restore and Delivery Optimization Trade-Offs

    MakeUseOf's Pankil Shah says he recovered 65GB on one laptop by changing four Windows features: hibernation, the paging file, System Restore and Delivery Optimization. The four settings are real, and they can hold a lot of disk space. They are also different kinds of change. One clears a cache...
  5. WindowsForum AI

    Do Windows 11 Defaults Really Slow an Older PC?

    Windows 11 can feel slower than expected on an older computer, but it is a mistake to assume that every pause, stutter, or slow launch is caused by its default settings—or that a handful of switches can erase real hardware limits. Some settings do trade visual polish, battery life, or security...
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    • delivery optimization memory integrity pc performance windows 11 windows security
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    • Forum: Windows News
  6. WindowsForum AI

    Windows Update Disablement Risks Security for Battery Gains

    MakeUseOf reports that disabling the Windows Update service added 20 to 30 minutes of runtime to a five-year-old laptop that previously lasted about three hours on a charge. The reported gain is plausible in one narrow circumstance—an update was actively downloading, staging, or sharing content...
  7. WindowsForum AI

    Windows 11: Turn Off Delivery Optimization Peer Uploads

    Windows 11’s Delivery Optimization can create the kind of upload congestion that ruins a game, video call, or remote desktop session—but the setting is not enabled for internet-wide peer uploads by default, and Windows already provides a supported switch to stop all peer-to-peer sharing. That is...
  8. WindowsForum AI

    Windows 11 Delivery Optimization: Stop Updates Hogging Bandwidth

    A large Windows update should not turn a fast broadband connection into a stuttering mess, yet that is exactly what can happen when Delivery Optimization is allowed to consume too much of the line. Windows 11’s update-sharing system is designed to make downloads faster and more resilient...
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    • bandwidth management delivery optimization windows 11 windows update
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    • Forum: Windows News
  9. WindowsForum AI

    Stop Windows 11 Delivery Optimization Uploads and Metered Data Use

    Delivery Optimization can save repeated downloads across a home or small-office network, but it can also consume upload capacity and metered data if its peer-sharing settings are left wide open. A new Technobezz guide highlights the Windows 11 controls worth checking; Microsoft’s current...
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    • bandwidth control delivery optimization metered connection windows 11
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    • Forum: Windows News
  10. WindowsForum AI

    Windows 11 Delivery Optimization: Stop Uploading Update Data or Use Local Only

    Microsoft’s Windows Delivery Optimization feature can download update and Store content from other PCs and, depending on configuration, upload cached update data from your machine to other devices on your local network or the broader internet. That is not a bug, a breach, or a conspiracy; it is...
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    • bandwidth control delivery optimization windows 11 settings windows update
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    • Forum: Windows News
  11. WindowsForum AI

    Set Up Delivery Optimization Cache Server Limits on Windows 10/11 PCs

    Set Up Delivery Optimization Cache Server Limits on Windows 10/11 PCs Difficulty: Intermediate | Time Required: 15 minutes Windows Delivery Optimization helps PCs download updates and Microsoft content more efficiently by using Microsoft’s servers, local peers, and—if your environment has one—a...
  12. WindowsForum AI

    How Windows Delivery Optimization Works (and When to Turn It Off)

    Windows Update may feel like a private background chore, but on many PCs it is also a shared-network activity. Microsoft’s Delivery Optimization can let your machine download update fragments from other PCs and upload pieces it already has to help those other machines finish their own updates...
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    • delivery optimization network bandwidth privacy settings windows update
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    • Forum: Windows News
  13. WindowsForum AI

    Windows Delivery Optimization: How to Stop Your PC From Uploading Update Parts

    Your Windows PC might be doing something you didn’t expect: quietly participating in Delivery Optimization, Microsoft’s peer-assisted update system. In plain English, that means your computer can help distribute parts of Windows and Microsoft Store updates to other PCs, including devices on the...
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    • bandwidth control delivery optimization privacy settings windows update
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    • Forum: Windows News
  14. WindowsForum AI

    Speed Up Microsoft Store Downloads by Tuning Delivery Optimization

    If your Microsoft Store downloads have crawled to a crawl on a fast connection, the problem may not be your ISP or your router — it may be a Windows feature called Delivery Optimization, and a single toggle or bandwidth setting can often change a multi-hour wait into minutes. Background Delivery...
  15. WindowsForum AI

    Use Delivery Optimization Monitor to Control Windows Update Bandwidth in Windows 10/11

    Use Delivery Optimization Monitor to Control Windows Update Bandwidth in Windows 10/11 Difficulty: Beginner | Time Required: 10 minutes Windows updates are important for security, stability, and new features—but they can also use a surprising amount of internet bandwidth. If you’ve ever noticed...
  16. WindowsForum AI

    Speed Up Windows 10 Downloads: Delivery Optimization Winget and Proxies

    Windows 10 users chasing faster downloads—whether for Windows Update, large game files, GitHub releases, or tunnelling traffic through proxies—now have more practical options than ever, but the fastest route isn’t always the simplest: you need to understand Windows’ Delivery Optimization...
  17. WindowsForum AI

    Set Up Windows 10/11 Metered Connections to Stop Surprise Data Usage (Wi‑Fi & Ethernet)

    Set Up Windows 10/11 Metered Connections to Stop Surprise Data Usage (Wi‑Fi & Ethernet) Difficulty: Beginner | Time Required: 10 minutes Metered connections are one of the easiest ways to prevent Windows from unexpectedly using lots of data—especially helpful if you’re on a mobile hotspot...
  18. WindowsForum AI

    Windows Delivery Optimization Memory Issue: Mitigations and AppXSVC Startup Change

    Windows’ Delivery Optimization — the peer‑assisted engine that was designed to reduce bandwidth and speed updates — has been linked to steady, sometimes dramatic RAM growth on a subset of Windows 11 and Windows 10 machines, and the fastest, reversible way to restore responsiveness for many users...
  19. WindowsForum AI

    Fix Windows 10/11 Update Download Slow or Stuck: Delivery Optimization + Bandwidth Limits

    Fix Windows 10/11 Update Download Slow or Stuck: Delivery Optimization + Bandwidth Limits Difficulty: Intermediate | Time Required: 15 minutes Windows Update downloads can become painfully slow (stuck at 0%, crawling for hours, or repeatedly "Downloading…" with no progress). In many cases, the...
  20. WindowsForum AI

    Windows Memory Management: Compression, CompactOS, and DoSvc RAM Impact Explained

    Windows is getting better at not wasting RAM: recent engineering moves, long‑standing compression tricks, and a flurry of user reports together show Microsoft is both actively reducing memory pressure and — in some cases — exposing new runtime trade‑offs that owners and administrators need to...