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https://issues.apache.org/jira/browse/GUACAMOLE-1467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17450092#comment-17450092
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will edited comment on GUACAMOLE-1467 at 11/28/21, 5:23 PM:
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Hi, Mike. Thank you for your answer.
I've tried to pass a value of 32, but something strange happened. If l set the
maximum color-depth to 32 on remote windows machine, the screen color was
abnormal. While l set the maximum color-depth to 16 or 24 on remote windows
machine, the screen color could display normally.
when l set the maximum color-depth to 32 on remote windows machine.
!image-2021-11-29-01-09-06-018.png!
when l set the maximum color-depth to 16 or 24 on remote windows machine.
!image-2021-11-29-01-11-10-497.png!
I didn't know what went wrong, so I read the document "Chapter 5. Configuring
Guacamole". I found that in this document color-depth can be set to 8, 16, 24
or 32 for VNC，while only 8, 16, 24 for RDP connection.
!image-2021-11-29-01-13-36-417.png!
!image-2021-11-29-01-14-09-889.png!
So I thought may be the guacamole don't support 32 color-depth for RDP
connections, which results in abnormal color. Now that guacamole has support 32
color-depth for RDP connection, maybe we can update the document.
Now it seems that the abnormal color caused by other things, l need to
investigate the cause of the problem in other ways.
Thank you very much, my friend.
was (Author: JIRAUSER280821):
Hi, Mike. Thank you for your answer.
I've tried to pass a value of 32, but something strange happened. If l set the
maximum color-depth to 32 on remote windows machine, the screen color was
abnormal. While l set the maximum color-depth to 16 or 24 on remote windows
machine, the screen color could display normally.
when l set the maximum color-depth to 32 on remote windows machine.
!image-2021-11-29-01-09-06-018.png!
when l set the maximum color-depth to 8, 16 or 24 on remote windows machine.
!image-2021-11-29-01-11-10-497.png!
I didn't know what went wrong, so I read the document "Chapter 5. Configuring
Guacamole". I found that in this document color-depth can be set to 8, 16, 24
or 32 for VNC，while only 8, 16, 24 for RDP connection.
!image-2021-11-29-01-13-36-417.png!
!image-2021-11-29-01-14-09-889.png!
So I thought may be the guacamole don't support 32 color-depth for RDP
connections, which results in abnormal color. Now that guacamole has support 32
color-depth for RDP connection, maybe we can update the document.
Now it seems that the abnormal color caused by other things, l need to
investigate the cause of the problem in other ways.
Thank you very much, my friend.
> Can RDP connections support 32 color-depth
> ------------------------------------------
>
> Key: GUACAMOLE-1467
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-1467
> Project: Guacamole
> Issue Type: Improvement
> Components: guacamole-server, RDP
> Affects Versions: 1.3.0
> Reporter: will
> Priority: Major
> Attachments: guac-rdp-color-depth-32bit-option.png,
> image-2021-11-29-00-54-18-336.png, image-2021-11-29-01-09-06-018.png,
> image-2021-11-29-01-11-10-497.png, image-2021-11-29-01-12-11-098.png,
> image-2021-11-29-01-12-46-508.png, image-2021-11-29-01-13-36-417.png,
> image-2021-11-29-01-14-09-889.png
>
>
> Hello, guacamole is really a great project that provide us with great
> convenience.
> Recently, l use a software that only support 32 color-depth, but our
> guacamole don't support 32 color-depth when use rdp.
> Can RDP connections support 32 color-depth in future version?
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