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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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    Attack from the ’90s resurfaces more deadly than before Source: Windows Flaw Reveals Microsoft Account Passwords, VPN Credentials TL;DR: block LAN->WAN port 445 Note this won’t affect web-dav shares like \live.sysinternals.com\DavWWWRoot as that uses ports 443 and 80. –jeroen via: TIL NTLM Auth is still a thing, still broken and at the core of all Microsoft […]

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    Just found out why on some Windows versions, the RDP sessions form my 4K monitor has some small black bands on top/bottom: older versions of Windows limit their RDP server to 4096 x 2048. A 4K monitor will not hit the width limit (as 4K cheats: it is usually “just” 3840 pixels wide), but it […]

    jpluimersSometimes RDP limits you to 2048 pixels vertical (or 4096 pixels horizontal)jpluimersSometimes RDP limits you to 2048 pixels vertical (or 4096 pixels horizontal)

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        With the increasing number of devices, it really helps to expand all nodes in the Device Manager’s tree view. You cannot do this with the mouse, as none of the menu options contain an “Expand All” option. But since the treeview, is the built-in Windows treeview (used in many places, like Windows explorer), […]

    jpluimersExpanded Windows Device ManagerjpluimersExpanded Windows Device Manager

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    I wrote two tiny batch files that would dump the environment variables from the registry. Various reasons: Environment variables can be stored in two contexts: System and User (SET will show them all at once and for instance combine PATH up to 1920 characters). Environment variables can be set to auto-expand or not, which you […]

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    Slightly updated the answer the /D Y part will recursively accept taking ownership when directory listing is denied in the permissions: To fix really broken permissions, the best is to run these two commands one after the other: takeown /F /D Y "C:\path\to\folder" /R icacls "C:\path\to\folder" /reset /T The first one will give you ownership of […]

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    Windows Search: Windows.edb If you use Windows Search (I don’t: I use Everything by VoidTools), your Windows.edb can grow ridiculously large. It is a single file, though it appears to be in two places because there is a symbolic link from C:\Users\All Users to C:\ProgramData : C:\ProgramData\Microsoft\Search\Data\Applications\Windows\Windows.edb C:\Users\All Users\Microsoft\Search\Data\Applications\Windows\Windows.edb This is how to reduce its size: How […]

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    In addition to the two methods mentioned at Two Quick Methods for Finding Shared Folders in Windows (use net share or compmgmt.msc) I like this one: fsmgmt.msc It directly gets you to the “Shared Folders” inside compmgmt.msc –jeroenFiled under: Power User, Windows, Windows 7, Windows 8, Windows 8.1, Windows Server 2000, Windows Server 2003, Windows Server 2003 […]

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    Source: History repeating itself: [Archive.is] 31607 – C:\nul\nul crashes/BSOD then, now it’s this: [WayBack] A bug in NTFS, or hang the entire system / Blog Aladdin RD / Habrahabr [WayBack] Баг в NTFS, или как подвесить всю систему / Блог компании Аладдин Р.Д. / Хабрахабр [WayBack] In a throwback to the ’90s, NTFS bug lets anyone hang or crash Windows […]

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    Brilliant: This is small tool that adds Attach and Detach option to contextual (aka right-click) menu of Virtual disk (vhd) files. That enables those operations to be done without trip to Disk Management console. Detach option is available on hard drive contextual menu also (if selected in options). Source: VHD Attach 4.11 – Medo’s Home […]

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    Source: The Most Common VPN Error Codes Explained VPN Error 800 “Unable to establish connection” VPN Error 619 “A connection to the remote computer could not be established” VPN Error 51 “Unable to communicate with the VPN subsystem” VPN Error 412 “The remote peer is no longer responding” VPN Error 721 “The remote computer did […]

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    From a batch-file I recently had to start Windows Explorer, at the same time select a specific file or directory. This turned out pretty easy: use the /select command-line switch from Windows Explorer. In fact, Windows Explorer has a few command-line switches, and the “explorer” commandline parameters “/n” “/e” “/select” “/root” “/start” site:microsoft.com query will find […]

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    For my link archive: Can I invoke Windows Update from the command line? – Super User [WayBack] –jeroen

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    schtasks /End [/S <system> [/U <username> [/P [<password>]]]] /TN taskname [WayBack] End a Running Task Every now and then you have those Scheduled Tasks consisting of batch files that – despite trying – still ask for user input. If – even after a reasonable time out – the Task Scheduler still hasn’t killed them, you can […]

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    For shrinking VM disk images, it’s important to consolidate NTFS free space towards the end of the this. I’ve tried many tools, starting with defrag C: /X (which tries, but doesn’t give good results) and found out these steps give the best results: Perform an Ultradefrag full optimisation, Perform a MyDefrag Consolidate free space script on the […]

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    Here’s how you can find out when your domain password will expire. net user %USERNAME% /domain It figures this out for the current logon domain (so it doesn’t work cross-domain) but it is a great help, especially when filtering out just the password information: net user %USERNAME% /domain | findstr "Password" This can be done […]

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  • 02/26/18--03:00: Windows 10 auto-logout on
  • This seems to work on other Windows versions as well: [WayBack] Windows 10 auto-logout on <5 minutes of inactivity – Super User

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    About a year ago, [WayBack] Rumors of Cmd’s death have been greatly exaggerated – Windows Command Line Tools For Developers got published as a response to confusing posts like these: [WayBack] Say goodbye to the MS-DOS command prompt | Computerworld [WayBack] Follow-up: MS-DOS lives on after all | Computerworld But I still think it’s a wise idea to switch […]

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