Issue for The error "Symmetric Key Derivation Function Version KDFv1 is invalid"

Issue for the error  "Symmetric Key Derivation Function Version KDFv1 is invalid" 

The error "AADSTS5000611: Symmetric Key Derivation Function Version KDFv1 is invalid" indicates that your device is using an outdated and unsupported cryptographic algorithm (KDFv1) for authentication with Azure AD. To resolve this, you need to update your device with the latest Windows updates and security patches including MS Office online update.

The “Symmetric Key Derivation Function version ‘KDFV1’ is invalid” error means that your device or software is trying to use an older and now unsupported cryptographic algorithm called KDFv1 for key derivation. A key derivation function (KDF) is a security algorithm used to generate encryption keys from a secret source like a password or master key. KDFv1 is an older version that Microsoft is phasing out for security reasons, so newer updates might reject it to keep your system safe.

To resolve this, your device needs to move to a more current supported version of the key derivation function, which often means installing the latest Windows updates or security patches. If your system can’t upgrade fully (like to Windows 10 22H2), that might prevent the fix from working, which is why updating the OS is usually recommended for security compliance.

If updating the entire Windows version isn’t an option now, you can try to install the latest patches for your current version from Microsoft to see if they improve support. Otherwise, making space to allow a full update could be necessary.

Symmetric Key Derivation Function (KDFv1)

• K

  A KDF is a security algorithm used to generate encryption keys from a secret source like a password or master key. 
• KDFv1:

  This is an older version of the KDF that Microsoft is phasing out due to security concerns. 
• Error Cause:

  When your device attempts to authenticate with Azure AD, it might still try to use the older KDFv1, leading to this error. 
• Solution:

  Updating your device to the latest version of Windows (preferably Windows 10 22H2 or later, or Windows 11) and applying all available cumulative updates will ensure you're using a supported KDF and resolve the error. 

Steps to resolve:

1. 1. Update Windows:

   Ensure your operating system is fully updated with the latest security patches. 
2. 2. Check for OS version compatibility:

   Verify that your OS version is supported by Microsoft for Azure AD authentication. 
3. 3. Apply latest security updates:

   If you can't upgrade your OS, install the latest security patches for your current version
4. 4. Consider a full OS update:

   If applying individual patches is not sufficient, consider upgrading your OS to a supported version. 
5. 5. Verify device registration and authentication logs:

   If the issue persists, your IT admin may need to verify Microsoft Entra (Azure AD) device registration and authentication logs after the updates. 

By following these steps, you can ensure your device is using a supported KDF and resolve the "AADSTS5000611" error, 

By addressing the root cause – the use of an outdated cryptographic algorithm – and ensuring your device is up-to-date, you can resolve the "Symmetric Key Derivation Function version 'KDFV1' is invalid" error and restore seamless authentication

Thanks For Reading...

Masud Rana

How to run Microsoft Edge in Internet Explorer (IE) mode

 To run Microsoft Edge in Internet Explorer (IE) mode, you need to enable it in the browser settings. First, navigate to edge://settings/defaultbrowser in the address bar, then toggle the "Allow sites to be reloaded in Internet Explorer mode" option to "On". Finally, restart Edge for the changes to take effect. 

This video demonstrates how to enable IE mode in Microsoft Edge settings:

Here's a more detailed breakdown:

1. 1. Open Edge Settings:

   In the Microsoft Edge browser, click on the three dots (Settings and more) in the top-right corner and then select "Settings". 
2. 2. Navigate to Default Browser:

   Click on "Default browser" in the left-hand menu. 
3. 3. Enable IE Mode:

   Locate the "Internet Explorer compatibility" section and find the option "Allow sites to be reloaded in Internet Explorer mode". Click on the dropdown menu and select "Allow". 
4. 4. Restart Edge:

   A prompt will appear asking you to restart Edge. Click "Restart" to complete the process. 
5. 5. Reload in IE Mode:

   After restarting, you can reload a page in IE mode by clicking the three dots (Settings and more), then "More tools," and finally "Reload in Internet Explorer mode". 

   • Alternatively, right-click on the tab and choose "Reload in Internet Explorer mode". 

   Important Considerations:

   • When to use IE mode: Only use IE mode when a website requires it for compatibility, as modern browsers like Edge offer better performance and security. 
   • Testing: If you're developing or testing a website, ensure it renders correctly in IE mode, as there might be differences in CSS, layout, and JavaScript compared to standard Edge rendering. 
   • ActiveX controls: Test any ActiveX components thoroughly, as their behavior might differ in IE mode. 
   • Document modes: Ensure sites render in the correct IE document mode. 
   • Pop-ups and dialogs: Verify that all pop-up windows and dialogs function correctly in IE mode. 
   • Legacy scripts: Test any older JavaScript or DOM manipulation methods carefully, as they might behave differently in IE mode. 

   Thanks for Reading...
6. Masud Rana

USB Type-C and Thunderbolt Difference

 USB Type-C and Thunderbolt Difference

USB-C and Thunderbolt are related but distinct technologies. USB-C is a connector standard, while Thunderbolt is a high-speed interface protocol that can utilize the USB-C connector. Thunderbolt offers significantly faster data transfer speeds and greater bandwidth than standard USB-C. 

Here's a more detailed breakdown: 

USB-C: 

·         Connector Standard:

USB-C is a physical connector type, a reversible 24-pin connector, and is widely used for various devices (phones, laptops, etc.). 

·         Versatility:

USB-C supports multiple protocols, including USB (various versions like 3.0, 3.1, etc.) and can also be used with Thunderbolt. 

·         Data Transfer:

USB-C's data transfer speeds vary depending on the USB version it supports (e.g., USB 3.1 Gen 2 offers up to 10 Gbps). 

·         Power Delivery:

USB-C supports power delivery (USB PD), allowing for charging of devices with higher wattage (up to 100W with USB PD 3.0). 

·         Cost:

Generally, USB-C devices and cables are more affordable and readily available than Thunderbolt-enabled devices. 

Thunderbolt:

·         Interface Protocol:

Thunderbolt is a high-speed interface protocol developed by Intel (now also including USB4) that leverages the USB-C connector. 

·         High Speed:

Thunderbolt 3 and 4 offer speeds of up to 40 Gbps, significantly faster than standard USB-C. 

·         Bandwidth:

Thunderbolt provides more bandwidth than USB-C, enabling it to handle multiple high-bandwidth peripherals simultaneously (e.g., dual 4K displays, external GPUs). 

·         Dual Functionality:

Thunderbolt ports can also handle USB devices and protocols, making them backward compatible. 

·         Cost:

Thunderbolt devices and cables tend to be more expensive due to the technology's higher performance capabilities. 

·         Use Cases:

Thunderbolt is ideal for professional workflows requiring high-speed data transfer, external storage, and high-resolution displays. 

Key Differences Summarized:

Feature	USB-C	Thunderbolt
Connector	Standard connector	Uses USB-C connector, but not all USB-C ports support Thunderbolt
Speed	Varies (up to 10 Gbps for USB 3.1 Gen 2)	Significantly faster (up to 40 Gbps for Thunderbolt 3/4)
Bandwidth	Lower than Thunderbolt	Higher, allowing for multiple high-bandwidth devices
Cost	Generally more affordable	Generally more expensive
Compatibility	Widely compatible with many devices	Can be compatible with USB devices, but not all USB-C devices support Thunderbolt
Use Cases	General purpose (charging, data transfer)	Professional workflows, external storage, high-resolution displays

In essence, while Thunderbolt utilizes the USB-C connector, it offers a higher-performance interface with greater speed and bandwidth capabilities compared to standard USB-C connections. 

Thanks for Reading....

Masud Rana