Windows 10 May 2019 Update (build 1903) fails to install due to an out-of-date Intel Rapid Storage Technology (RST) driver

The following article provides information about an installation issue that is seen when updating with the Windows 10 May 2019 Update (build 1903). The installation fails and reports one of several issues with the Intel Rapid Storage Technology (IRST) driver.

Both Microsoft and Intel have found an incompatibility between the Windows 10 May 2019 Update (build 1903) and certain versions of the Intel RST driver.

What is the Intel RST driver and what does it do? (Intel Rapid Storage Technology) is an application in Windows that improves performance and reliability for those systems using SATA disks for desktop, mobile, and server systems. If you are using one or multiple SATA disk drives, you get the advantage of better performance and lower power consumption.

Please use the appropriate solution below if one of the following messages is displayed:

(Figure 1: iRST error message)

(Figure 2: BAD POOL CALLER 0X0000C2 Blue Screen error message when installing)

(Figure 3: Intel Optane (tm) Memory Pinning error 0x8007007)

Microsoft has placed a compatibility hold on those systems running iRST driver revisions between 15.1.0.1002 and 15.5.2.1053. When Windows Update detects one of these IRST driver versions, it will not allow the update to continue until the driver is updated.

Note: If you want to find out more about the issue in Figure 1, please read the following link to the Microsoft site: Updating to Windows 10, version 1903 on devices with certain versions of Intel® Rapid Storage Technology (Intel® RST) drivers : If you want to find out more about the issue in Figure 1, please read the following link to the Microsoft site:

Resolution Steps

Microsoft Advises that this issue was resolved in KB4512941 The safeguard hold executed by Microsoft is expected to be removed in early September 2019.

Microsoft recommends you go to the Dell website and update the iRST driver to revision 15.5.2.1054 or above:

Update the iRST driver to the most recent version: Navigate to the Dell Support Website. Enter the service tag or express service code to get drivers specific to how the computer shipped. Alternatively, you can choose your system type from the product list to get a general list of drivers for that computer. Click the Drivers and Downloads tab on the menu. Ensure that you have the correct operating system selected. Select the Serial ATA drop-down category. Look for the Intel Rapid Storage Technology Driver version 15.5.2.1054 or newer. Click the Download button and follow the on-screen instructions.

Note: You can also download the latest Intel RST drivers directly from Intel at : You can also download the latest Intel RST drivers directly from Intel at Intel® Rapid Storage Technology (Intel® RST) User Interface and Driver

Once you've updated your driver, you can restart the installation process for Windows 10, version 1903.

Note: Please be aware it can take up to 48 hours before you can update to Windows 10, version 1903.

Note: If you saw the error in Figure 2, please go ahead and restart your PC and install the latest version of SupportAssist from the Microsoft Store.

Note: If you saw the error in Figure 3 and you have Intel Optane enabled on your PC, then please continue and carry out these additional steps: Click the search box on the taskbar and type Intel Rapid Storage Technology Click Intel Rapid Storage Technology from the list of results and the Intel Rapid Storage Technology window will open On the Intel Optane Memory tab, click Enable to disable the Intel Optane memory Click Yes to accept the warning and the enabling progress is displayed Click Reboot to complete the enabling Intel Optane Memory process and restart your computer : If you saw the error inand you have Intel Optaneon your PC, then please continue and carry out these additional steps:

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