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## SIOS Protection Suite for Windows Patch Notes ##
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DKPatch_PW-8161-8922

Patch availability: General Availability 
Product (s) Supported: This patch is supported on SIOS DataKeeper for Windows v8.9.2

Issue(s) addressed by this patch:
1. PW-8161: BSOD on boot up after upgrading to DKCE 8.9.1


Patch description:
This patch provides the following

1. This patch prevents BSOD on reboot at Skywest while keeping PW-6053 functionality.


This patch can be found on the SIOS FTP site at the following location:
        http://ftp.us.sios.com/pickup/DK_patches/PW-8161/v892

To download the patch and associated files perform the following steps:
1. Visit the ftp site
2. Left-click DKPatch_PW-8161-8922.zip to download the zip file
3. Unzip the zip file, there are three files:
	- DKPatch_PW-8161-8922.exe
	- DKPatch_PW-8161-8922.md5sum
	- readme.txt
4. Verify the md5sum by running the following commands in PowerShell. Expected result is 'True'
	- cd <path to extracted files>
    - $checksum = (Get-Content .\DKPatch_PW-8161-8922.md5sum).Split(' ')[0]
    - (Get-FileHash -Algorithm MD5 .\DKPatch_PW-8161-8922.exe).Hash -like $checksum

NOTE: Alternative download methods can be used. Once the download is complete a verification of the md5sum should be performed.

Installing the exe:
NOTE: This patch will need to be installed on all servers in the cluster
To install the patch, navigate to where the patch was downloaded and double-click DKPatch_PW-8161-8922.exe to begin the installation process.

Repairing the exe:
To repair the patch, navigate to where the patch was installed and double-click DKPatch_PW-8161-8922.exe to begin the Repair process.
Select 'Repair' and apply the patch.

Uninstalling the exe:
To uninstall the patch, navigate to where the patch was installed and double-click DKPatch_PW-8161-8922.exe to begin the uninstallation process.
Select 'Revert' and apply the patch.
Once the uninstallation process is completed the original file(s) will be restored.


NOTE: After completing the install, repair, or uninstall there will need to be a mandatory reboot. If this reboot is not completed DataKeeper will not operate as expected.