Das Hinzufügen des ARP-Eintrags ist fehlgeschlagen: Der Zugriff wird verweigert: arp -s geht nimmer

Stattdessen wir jetzt netsh verwendet:

netsh interface ipv4 add neighbors „Name der LAN-Verbindung“ [IP] [MAC]

für Copy & Paste:
netsh interface ipv4 add neighbors LAN-Verbindung 10.11.1.5 00-11-32-B7-00-E9
netsh interface ipv4 add neighbors Local Area Connection 192.168.0.1 00-24-01-d2-3a-bd
netsh interface ipv4 add neighbors Ethernet 10.11.1.5 00-11-32-B7-00-E9

Netzwerkkarten anzeigen:
netsh interface show interface

How to restore Registry from its secret backup on Windows 10

On Windows 10, it is never a good idea to modify the Registry because the database contains low-level settings necessary for the system and certain apps to operate correctly, and the slightest mistake can prevent the device from booting again.

If you recently made system setting changes or installed a buggy update that caused the computer to stop working, you can still recover Windows 10 using the secret Registry backup.

However, there is one caveat, since the operating system no longer creates these backups automatically, you have to re-enable it manually before you can use it.

In this guide, you will learn the steps to restore the previous version of the Registry manually from its automated backup on Windows 10.

Important: Remember that modifying system files can further damage the installation if it is not done correctly. It is assumed that you know what you’re doing and that you have previously created a full backup of your computer. Use these steps at your own risk.

Restore Registry manually on Windows 10

To manually restore the Registry on Windows 10, use these steps:

    1. Start computer with the Advanced startup options.
    2. Click on Troubleshoot.
    3. Click on Advanced options.
    4. Click on Command Prompt.

When your device starts in Command Prompt, it will start on X:WindowsSystem32. Now you need to move to the drive letter where Windows is installed. While the operating system is installed on the C: drive, when you boot your computer on recovery mode, this drive letter could change to something else. However, in most cases, the drive letter is D:. Type the following command to enter into the correct drive where Windows 10 is installed and press Enter:

  1. d:
  2. Type the following command to verify you are in the correct drive and press Enter:
    dir
    Command Prompt in Advanced startupCommand Prompt in Advanced startup
    If you see the Windows folder, you are in the correct drive letter. If not, return to step No. 5 and try another letter.
  3. Type the following command to enter into the System32 folder and press Enter:
    cd d:windowssystem32
    Change D in the command with the correct drive letter for your scenario.
    Windows 10 Config folderWindows 10 Config folder
  4. Type the following command to create a folder to temporary backup of files on the config folder, which also happens to store a copy of the Registry, and press Enter:
    mkdir configBak
  5. Type the following command to create a temporary backup of the files in the config folder, and press Enter:
    copy config configBak
    Making a backup copy of the Registry on Windows 10Making a backup copy of the Registry on Windows 10
  6. Type the following command to move inside the RegBack, which contains a backup of the Registry, and press Enter:
    cd configRegBack
  7. Type the following command to verify the content of the RegBack folder and press Enter:
    dir
    RegBack folder contentRegBack folder content

     

    Warning: After running the dir command, the files’ size (SYSTEM, SOFTWARE, SAM, SECURITY, DEFAULT) should be similar to the ones you see in the screenshot. If any of the files shows 0, do NOT continue as you won’t be able to repair your Windows 10 installation, and your device may stop booting.
  8. Type the following command to copy the files from the RegBack folder to the config folder and press Enter and the Y key on every question to confirm:
    copy * ..*
    Restoring Registry from its backupRestoring Registry from its backup on Windows 10
  9. Click the Close (X) button from the top-right.

Once you complete the steps, the computer will reboot, and Windows 10 should start correctly.

We are focusing this guide on Windows 10, but the concept also should work on Windows 8.1 and Windows 7.

How to enable automatic Registry backup on Windows 10

Windows 10 adds option to enable automatic backups for the Registry. In previous releases, Windows 10 used to save a copy of the entire Registry inside the RegBack system folder automatically, but to help reduce storage space, since the April 2018 Update, the operating system has removed the functionality.

As a result, users wanting to recover the system after a corrupt registry hive, quickly found that inside the C:WindowsSystem32configRegBack folder, each registry hive was 0kb in size.

If you want the legacy behavior back, Windows 10 includes a registry key to re-enable automatic backups for the entire Registry every time your computer restarts successfully.

In this guide, you’ll learn the steps to allow Windows 10 to create backups of the Registry every time your computer starts.

  • Enable automatic backup for Registry
  • Create manual backup of Registry

Enable automatic backup for Registry

To enable automatic backups of the Registry, use these steps:

Warning: Modifying system files can further damage your Windows installation if it’s not done correctly. It’s assumed that you know what you’re doing and that you have previously created a full backup of your computer. Proceed with caution and use this as the last course of action.
    1. Open Start on Windows 10.
    2. Search for regedit and click the top result to open the Registry.
    3. Browse the following path:
      HKLMSystemCurrentControlSetControlSession ManagerConfiguration Manager
    4. Right-click the Configuration Manager (folder) key and select New submenu, and click the DWORD (32-bit) Value option.
      Configuration Manager registryConfiguration Manager registry
  1. Name the key EnablePeriodicBackup and press Enter.
  2. Double-click the newly created DWORD and set the value from 0 to 1.
    Configuring EnablePeriodicBackup for automatic Registry backups on Windows 10Configuring EnablePeriodicBackup for automatic Registry backups on Windows 10
  3. Click the OK button.
  4. Restart your computer.

Once you complete the steps, Windows 10 will create a backup of the entire Registry inside the RegBack folder, and it’ll create a “RegIdleBackup” task in the Task Scheduler to manage future backups.

If the time comes when you computer can’t start because of corruption in one of the registry hives, then you can use this guide to restore the registry from backup to allow Windows 10 to start correctly.

Create manual backup of Registry

To run the Windows 10 Registry backup manually, use these steps:

  1. Open Start.
  2. Search for Task Scheduler and click top result to open the console.
  3. Browse the following path:
    Task Scheduler Library > Microsoft > Windows > Registry.
  4. Right-click the RegIdleBackup task and select the Run option.
    Running RegIdleBackup task on Windows 10Running RegIdleBackup task on Windows 10

After you complete the steps, the task will run to create a backup of the entire Registry using five files (Default, Sam, Security, Software, and System) overwriting the previous backup in the RegBack folder.

Dateisortierung nach Sonderzeichen

_ Unterstrich
۞ Stern mit Loch ?

a A-Z
z Lower case Z

ι Greek letter
Ι Greek letter, capital version of above character, not an „I“)
α alpha U+03B1 Alt 224
Γ gamma U+0393 Alt 226
δ delta U+03B4 Alt 235
ε epsilon U+03B5 Alt 238
Θ theta U+0398 Alt 233
π pi U+03C0 Alt 227
Σ sigma upper U+03A3 Alt 228
σ sigma lower U+03C3 Alt 229
τ tau U+03C4 Alt 231
Φ phi upper U+03A6 Alt 232
φ phi lower U+03C6 Alt 237
Ω omega U+03A9 Alt 234
一 Japanese Character? (Thanks, Jam)
口 Japanese character? (Thanks, Jam)
末 Japanese character „End“ (Thanks, Jam)
 (a private use character) (Thanks, Peter O.)

Und man kann auch tatsächlich (fast) alle Sonder-Zeichen außer \ / : * ? “ < > | verwenden.

So, jetzt zum wirklich Wichtigen, die Buchstaben nach „Z“.

Zuerst habe ich das Ohm-Zeichen Ω gefunden (das griechische Omega).

Dann herausgefunden das alle griechischen Buchstaben α β γ δ ε … φ χ ψ ω nach den deutschen Buchstaben kommen
und danach die kyrillischen Buchstaben Ё Ђ Ѓ Є … Ҳ Ҹ Һ Ә Ө .

Vor der Null kommen anscheinend nur Satzzeichen und Symbole,
den Anfang macht das ! dann # $ % & irgendwann kommt das @ ,
Plus, Minus und Underline sind auch vor Null.

Ein paar schöne Symbole vor Null sind Pik, Kreuz, Herz und Karo ♠ ♣ ♥ ♦ ,
sowie ■ ▲ ▼ ► ◄ wobei diese komischer Weise im Explorer unterschiedlich groß dargestellt werden.

Und noch ein ganz Spezielles, weil ja * nicht erlaubt ist, kann man alternativ den arabischen Stern ٭ verwenden,
der aber hier im Textfenster etwas Probleme macht, ist wohl ein Steuerzeichen für irgend was,
er schaut hier im Text auch nicht so schön aus wie im Explorer.

Die Sortierreihenfolge nach unterschiedlichen Sonderzeichen, speziell Minus, bleibt wohl für ewig ein Rätsel,
hier ein Beispiel:



+
-+
+-
++

Unicode Chart:
https://unicode.org/charts/collation/

Make Device Manager show Non present devices in Windows

  1. CMD als Admin
  2. set devmgr_show_nonpresent_devices=1
  3. start devmgmt.msc
  4. Device Manager Ausgeblendete Geräte anzeigen

Problembeschreibung


Der Geräte-Manager zeigt nur Plug&Play-Geräte, -Treiber und -Drucker an, wenn Sie im Menü Ansicht auf Ausgeblendete Geräte anzeigen klicken. Nicht an den Computer angeschlossene Geräte, die Sie installieren (z. B. USB-Geräte oder „verwaiste“ Geräte), werden im Geräte-Manager nicht angezeigt, auch dann nicht, wenn Sie auf Ausgeblendete Geräte anzeigen klicken.

Abhilfe


Gehen Sie folgendermaßen vor, um dieses Verhalten zu umgehen und Geräte mit der Option Ausgeblendete Geräte anzeigen anzuzeigen:

  1. Klicken Sie auf Start, zeigen Sie auf Alle Programme, zeigen Sie auf Zubehör, und klicken Sie anschließend auf Eingabeaufforderung.
  2. Geben Sie an der Eingabeaufforderung den folgenden Befehl ein, und drücken Sie anschließend die EINGABETASTE:set devmgr_show_nonpresent_devices=1
  3. Geben Sie an der Eingabeauforderung den folgenden Befehl ein, und drücken Sie dann die EINGABETASTE:start devmgmt.msc
  4. Führen Sie eine Problembehandlung für die Geräte und Treiber im Geräte-Manager durch.

    HINWEIS: Klicken Sie im Menü Ansicht im Geräte-Manager auf Ausgeblendete Geräte anzeigen, um Geräte sehen zu können, die nicht an den Computer angeschlossen sind.
  5. Wenn Sie die Problembehandlung abgeschlossen haben, schließen Sie den Geräte-Manager.
  6. Geben Sie an der Eingabeaufforderung exit ein.

    Wenn Sie das Eingabeaufforderungsfenster schließen, deaktiviert Windows die Variable devmgr_show_nonpresent_devices=1 zurück, die Sie in Schritt 2 erstellt haben, und verhindert, dass verwaiste Geräte bei Anklicken von Ausgeblendete Geräte anzeigen angezeigt werden.

[Fix] Remote Desktop DPI scaling issues

Do you have a computer with High-DPI screen? A very high resolution display? And is everything too small to see within your Remote Desktop Connection, try this solution…

screreso

This issue is caused by lack of not being DPI scaling aware of the Remote Desktop Client. If you open a Remote Desktop connection to a server or other computer the native resolution of the computer is used instead of the scaling to 1920×1080, so you’ll get very small icons etc.

Some other blogs mention to fix the issue with using Remote Desktop Connection Manager 2.7 or using RD Tabs.

Another solution where you don’t need extra tools or programs is to make a manifest file, see the steps below.

First tell Windows to look for a manifest file for an application by default. This can be done by setting a registry entry.

Open regedit and navigate to the registry key:
HKLMSOFTWAREMicrosoftWindowsCurrentVersionSideBySide
Right-click, select NEW -> DWORD (32 bit) Value
Type PreferExternalManifest and then press ENTER.
Right-click PreferExternalManifest, and then click Modify.
Enter Value Data 1 and select Decimal.
Click OK. Exit Registry Editor.

Next step is to make the manifest file, mstsc.exe.manifest. Copy the contents below and put it in Notepad or similar tool and save it to a file as %SystemRoot%System32mstsc.exe.manifest. Download of the file is also available, here. Important is that you save the file in the same directory as the Remote Desktop Client executable (mstsc.exe).
<?xml version=“1.0″ encoding=“UTF-8″ standalone=“yes“?> <assembly xmlns=“urn:schemas-microsoft-com:asm.v1″ manifestVersion=“1.0″ xmlns:asmv3=“urn:schemas-microsoft-com:asm.v3″> <dependency> <dependentAssembly> <assemblyIdentity type=“win32″ name=“Microsoft.Windows.Common-Controls“ version=“6.0.0.0″ processorArchitecture=“*“ publicKeyToken=“6595b64144ccf1df“ language=“*“> </assemblyIdentity> </dependentAssembly> </dependency> <dependency> <dependentAssembly> <assemblyIdentity type=“win32″ name=“Microsoft.VC90.CRT“ version=“9.0.21022.8″ processorArchitecture=“amd64″ publicKeyToken=“1fc8b3b9a1e18e3b“> </assemblyIdentity> </dependentAssembly> </dependency> <trustInfo xmlns=“urn:schemas-microsoft-com:asm.v3″> <security> <requestedPrivileges> <requestedExecutionLevel level=“asInvoker“ uiAccess=“false“/> </requestedPrivileges> </security> </trustInfo> <asmv3:application> <asmv3:windowsSettings xmlns=“http://schemas.microsoft.com/SMI/2005/WindowsSettings“> <ms_windowsSettings:dpiAware xmlns:ms_windowsSettings=“http://schemas.microsoft.com/SMI/2005/WindowsSettings“>false</ms_windowsSettings:dpiAware> </asmv3:windowsSettings> </asmv3:application> </assembly>
Note that you can use the manifest for other applications also that aren’t scaling aware.

 

 

Siehe auch https://www.brankovucinec.com/fix-remote-desktop-dpi-scaling-issues/

oder https://www.windowspro.de/wolfgang-sommergut/anzeige-rdp-sitzungen-fuer-hochaufloesende-monitore-anpassen

Content retrieved from: https://www.brankovucinec.com/fix-remote-desktop-dpi-scaling-issues/.

MaxShadowCopies

The MaxShadowCopies registry value specifies the maximum number of client-accessible shadow copies that can be stored on each volume of the computer. A client-accessible shadow copy is a shadow copy that is created using the VSS_CTX_CLIENT_ACCESSIBLE value of the _VSS_SNAPSHOT_CONTEXT enumeration. Client-accessible shadow copies are used by Shadow Copies for Shared Folders. For more information about shadow copies, see the VSS documentation.

If the MaxShadowCopies registry value does not exist, the backup application can create it under the following registry key:

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\VSS\Settings

Create a value with the name MaxShadowCopies and type DWORD. The default data for this value is 64. The minimum is 1. The maximum is 512.

Note

For other types of shadow copies, there is no registry value that corresponds to MaxShadowCopies. The maximum number of shadow copies is 512 per volume.

Note  The MaxShadowCopies setting is supported on Windows Server 2003 or later.

Windows Server 2003: On cluster servers, MaxShadowCopies registry value’s data may need to be set to a lower number. For more information, see „When you use the Volume Shadow Copy Service on Windows Server 2003-based computers that run many I/O operations, disk volumes take longer to go online“ in the Help and Support Knowledge Base at https://support.microsoft.com/kb/945058.

Windows 10 Shadow Copy Vorgängerversionen

Home » Tutorials » Windows » Configure Shadow Copy For Windows 10

Configure Shadow Copy For Windows 10

https://www.shadowexplorer.com/downloads.html

Windows 10 lack the feature of schedule shadow copy like in windows 7 and server 2008. But you Still can do it with Win32_ShadowCopy class in WMI.

First enable the shadow copy option :
Open Control Panel -> system -> system protection tab ->choose drive letter-> click enable and set the amount of disk space you want to use


The command to run is (for drive c in this example) :
wmic shadowcopy call create Volume=c:
to test this run on command prompt as administrator and check for creation of shadow copy

Create Schedule Task:

open Task Schedule and create task -> name it ShadowCopy_C (or any other name you want) ->select the triggers, once it was at 07:00 and 12:00 every day

At the action tab write WMIC -> at the arguments -> shadowcopy call create Volume=“C:\“

https://www.ubackup.com/windows-10/images/volume-shadow-copy-windows-10/enable-shadow-copy.jpg

Do this for every partition

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