Heiko,
The largest Guacamole site I administer has around 120 users. Although I
don't know for sure the number of times those users print, nor the size
of the documents they print, I have to say there's never been any
complaint even vaguely similar to the issue you experience.
I can't check out the problem myself because I don't use Windows, but
will see if I can run a trial when I'm next able to access a Windows
[10] machine. I'm sorry but this is unlikely to be earlier than a couple
of days.
On 22/07/2020 12:13 a.m., heiko.beisswen...@web-alm.net wrote:
Nobody else having this problem ?
Hi everybody,
I hope that this is the right place to ask for help on this issue.
I have tested this on guacamole version 1.2 installed natively on a
CentOS 7.8, on a CentOS 7.7 native installation with guacamole
version 0.9.14 and on a docker setup version 1.2 on Debian Buster OS.
The results on all setups were identical.
I try to print from a windows 10 client connected via rdp session
(pdf download).
Printing small documents like text-only works without problems.
I get the pdf download as expected after a short period of time.
As soon as I try to print larger files with images in them, the
resulting pdfs get very big or can't even be downloaded.
One document I've run tests on is a 628 pages pdf document with
pictures and diagrams in it, which original size is 17MB.
I've printed the first 50 pages wich took about 10 minutes and the
size of the resulting pdf was 26MB.
Then I printed only the first 20 pages, the resulting document had a
size of 10 MB and it took about 4 minutes to create it.
After that I tried to "print" more than 50 pages of the same pdf. I
watched the output of top on the shell, wich shows ghostscript is
working on 100% CPU usage but won't finish in a reasonable period of
time.
Then I took other documents.
These are scanned documents with only 4-6 pages, only images.
original size 2-4 MB.
The Windows 10 printqueue says that the resulting document will be
96MB big. But due to timeout issues it's not possible to finish the
printing or download anythting.
I searched the web and found the problem on Microsoft website, they
propose to change the printer settings to "Print directly to the
printer".
https://support.microsoft.com/en-us/help/919543/the-size-of-the-emf-spool-file-may-become-very-large-when-you-print-a
It is not possible to change these settings in the guacamole-printer
settings.
I run the same tests on another Windows 10 machine with the same
results.
Then I ran the tests against a Windows 7 system and here everything
works as expected.
So this is a Windows 10 guacamole-printer issue.
Did I miss anything in the settings for windows 10 printing ?
Thanks in advance.
Heiko
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