What are the updates to KB4509476?

Microsoft updated the KB4509476 version patch on June 26, 2019. The updated content roughly includes: Solving the problem that after installing KB4499162, the device may be prevented from using the Internet Small Computer System Interface (iSCSI) to connect to certain storage areas Network (SAN) device issues, and more related optimizations. Specifically, can you all take a look at the latest news that the editor got~

What content has been updated by KB4509476

KB4509476 Patch Improvement Hotfix

- Addresses an issue that may prevent devices from connecting to certain Storage Area Network (SAN) devices using Internet Small Computer System Interface (iSCSI) after installing KB4499162.

- You may also receive an error with Event ID 43 in the System log section of iScsiPrt's Event Viewer, along with the description "The target failed to respond to the login request in a timely manner."

KB4509476 patch update known issues

● Symptom description one:

On Cluster Shared Volume (CSV) Certain operations on files or folders, such as renaming, may fail with the error "STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)".

This occurs when an operation is performed on the CSV owner node from a process that does not have administrator rights.

● Workaround:

Perform one of the following actions:

-Perform the action from a process with administrator privileges.

- Perform operations from a node that does not own the CSV.

● Symptom description two:

- After installing this update and restarting, some devices with Hyper-V enabled may enter BitLocker recovery mode and receive error "0xC0210000".

● Workaround:

- This issue is resolved in KB4507450.

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