CD or DVD image creation software is unable to read drive parameters

Technical Articles ID: KB71165
Last Modified: 2022-09-06 17:45:41 Etc/GMT

Environment

Data Loss Prevention (DLP) Endpoint - all supported versions

For supported environments, see KB68147 - Supported platforms for Data Loss Prevention Endpoint.

Problem

You create a DLP rule that:

Prevents writing to optical drives
Allows read-only access

But, the DVD or CD image creation software fails or can't find the optical drive. If the software produces debugging output, DLP records a failure to send a command to the drive.

Cause

The manner in which many DVD or CD-imaging applications are designed causes this issue.

Although the software requires only read access to the drive, most DVD or CD imaging applications send commands to the drives to enumerate the drive list each time the software is used. Because the DLP rule blocks any write access to the drives, these commands are rejected.

Solution

This behavior is expected when write access to optical drives is disabled through DLP.

Workaround

Use one of the following workarounds to resolve this issue:

Create rules that designate specific systems where write access to optical drives is allowed. Then, restrict the users who have access to those systems.
Exclude trusted individuals from the rule and allow them to run the software.

Affected Products

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Knowledge Center

CD or DVD image creation software is unable to read drive parameters

Environment

Problem

Cause

Solution

Workaround

Affected Products

Languages:

Title

Title

Knowledge Center

CD or DVD image creation software is unable to read drive parameters

Environment

Problem

Cause

Solution

Workaround

Affected Products

Languages:

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