The Intel Optane Memory Pinning Error is a common issue faced by users after updating Windows. The error message usually appears as:

"Unable to load DLL ‘iaStorAfsServiceApi.dll’"

This problem occurs due to missing or outdated Intel Rapid Storage Technology (RST) drivers, which are essential for Intel Optane Memory to function properly. If you’ve encountered this error, don’t worry. This guide will walk you through the causes and step-by-step solutions to fix it.

Causes of the Intel Optane Memory Pinning Error

There are several reasons why this error might occur:

1. Missing or Corrupted DLL File – The iaStorAfsServiceApi.dll file is required for Intel Optane Memory to operate. If it is missing or corrupt, the error appears.
2. Incomplete Intel Optane Installation – If Optane Memory was not properly disabled before a Windows update, it can lead to issues.
3. Outdated Intel RST Drivers – Older versions of the Intel Rapid Storage Technology drivers may not be compatible with new Windows updates.
4. Windows Update Conflicts – Certain Windows updates may disrupt the functionality of Intel Optane Memory, causing errors.

Now that we know the causes, let’s look at the best ways to resolve the issue.

Method 1: Uninstall Intel Optane Pinning Explorer Extensions

One of the easiest ways to fix this issue is by uninstalling the Intel Optane Pinning Explorer Extensions. Here’s how:

1. Press Windows + R, type appwiz.cpl, and press Enter.
2. Locate Intel Optane Pinning Explorer Extensions in the list of installed programs.
3. Right-click on it and select Uninstall.
4. Restart your PC and check if the error persists.

This method removes the extension responsible for causing the issue and often resolves the problem instantly.

Method 2: Update Intel Rapid Storage Technology (RST) Drivers

Since outdated Intel RST drivers are a primary cause of this error, updating them is an effective fix. Follow these steps:

1. Visit Dell Support or Intel’s website and navigate to the drivers section.
2. Download the latest version of the Intel Rapid Storage Technology (RST) driver for your system.
3. Run the installer and follow the on-screen instructions to update the driver.
4. Restart your computer to apply the changes.

This ensures your system has the latest compatible drivers, preventing further compatibility issues.

Method 3: Disable Intel Optane Memory in BIOS (If Previously Enabled)

If you had enabled Intel Optane Memory, disabling it through the BIOS may help resolve the issue. Here’s how:

1. Restart your PC and enter the BIOS (Press F2 or Delete during startup).
2. Navigate to Advanced Storage Settings.
3. Locate Intel Optane Memory and disable it.
4. Save the changes and exit BIOS.

After restarting, check if the error is resolved.

Method 4: Reinstall Intel Optane Memory Software

If the previous solutions didn’t work, try reinstalling the Intel Optane Memory software:

1. Open Device Manager (Press Windows + X, then select Device Manager).
2. Expand Storage Controllers and find Intel Optane Memory.
3. Right-click and select Uninstall Device.
4. Restart your computer.
5. Download and install the latest version of Intel Optane Memory software from Intel’s official website.

This will ensure a clean installation, eliminating any previous errors.

Conclusion

The Intel Optane Memory Pinning Error is mainly caused by outdated drivers, missing DLL files, or incomplete updates. By following the methods outlined above—uninstalling the Optane Pinning Explorer Extensions, updating Intel RST drivers, adjusting BIOS settings, and reinstalling the software—you can effectively resolve the issue.

If the problem persists, you may need to contact Dell Support or Intel’s customer service for advanced troubleshooting.