Thomas Koetzing

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Thomas Koetzing

Thomas Koetzing

@Koetzing

13 year Citrix Technology Professional | CTP founding member | former Microsoft MVP - RDS | Public Speaker | IT Architect | 20+ years recognized Citrix Expert

Germany Entrou em Temmuz 2009
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Thomas Koetzing
Thomas Koetzing@Koetzingยท
Today I have my 20 years work anniversary with Citrix products! Thank you all for your support over the years. buff.ly/3mrvyOk After 20 years we still have logon issue, therfore I compiled a small list of common Logon issues and how to solve them! buff.ly/36lIjo7
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Thomas Koetzing
Thomas Koetzing@Koetzingยท
๐—”๐˜๐˜๐—ฒ๐—ป๐˜๐—ถ๐—ผ๐—ป, new Citrix NetScaler ADC/Gateway Security Bulletin for CVE 2026_3055 with score ๐Ÿต.๐Ÿฏ and CVE_2026_4368 with score ๐Ÿณ.๐Ÿณ Time for a firmware upgrade! buff.ly/10xxcGc
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Thomas Koetzing
Thomas Koetzing@Koetzingยท
Just doing another Citrix ๐˜ƒ๐—ฒ๐—ฟ๐˜€๐—ถ๐—ผ๐—ป ๐˜‚๐—ฝ๐—ด๐—ฟ๐—ฎ๐—ฑ๐—ฒ of the setup you already know? ๐—ญ๐—ฒ๐—ฟ๐—ผ ๐—ผ๐—ฝ๐˜๐—ถ๐—บ๐—ถ๐˜‡๐—ฎ๐˜๐—ถ๐—ผ๐—ป, ๐˜‡๐—ฒ๐—ฟ๐—ผ ๐—บ๐—ผ๐—ฑ๐—ฒ๐—ฟ๐—ป๐—ถ๐˜‡๐—ฎ๐˜๐—ถ๐—ผ๐—ป? ๐—ฆ๐˜๐˜‚๐—ฐ๐—ธ ๐—ถ๐—ป ๐˜๐—ต๐—ฒ ๐—ฝ๐—ฎ๐˜€๐˜ and closed off to new approaches? buff.ly/ccHo42H #Citrix #VDI #CitrixDaaS
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Thomas Koetzing
Thomas Koetzing@Koetzingยท
The rule in EUC is: ๐—™๐—ฆ๐—Ÿ๐—ผ๐—ด๐—ถ๐˜… ๐—ณ๐—ผ๐—ฟ ๐˜€๐—ถ๐—บ๐—ฝ๐—น๐—ถ๐—ฐ๐—ถ๐˜๐˜†, Citrix UPM for pain. That rule is dead. The old excuse of "UPM is too complex to configure in Studio"? ๐—ฆ๐—ผ๐—น๐˜ƒ๐—ฒ๐—ฑ. I wrote a PowerShell script that sets up UPM in ๐˜€๐—ฒ๐—ฐ๐—ผ๐—ป๐—ฑ๐˜€. Read more buff.ly/qI6Nhz5
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Thomas Koetzing
Thomas Koetzing@Koetzingยท
๐—–๐—ถ๐˜๐—ฟ๐—ถ๐˜… ๐—Ÿ๐—”๐—ฆ ๐——๐—ถ๐—ฎ๐—ด๐—ป๐—ผ๐˜€๐˜๐—ถ๐—ฐ ๐—ง๐—ผ๐—ผ๐—น! Registered but Unreachable? Here is a diagnostic PowerShell script to check important aspects of the LAS communication.
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Thomas Koetzing
Thomas Koetzing@Koetzingยท
The Browser Illusion: If the Desktop Runs in the consumer Browser, We Are Done?" - A Fatal Error. But anyone reducing V DI to just "๐—ฝ๐—ถ๐˜…๐—ฒ๐—น๐˜€ ๐—ถ๐—ป ๐—ฎ ๐—ฏ๐—ฟ๐—ผ๐˜„๐˜€๐—ฒ๐—ฟ" isn't building a workspace. buff.ly/r49JHaj
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Thomas Koetzing
Thomas Koetzing@Koetzingยท
๐Ÿฎ๐Ÿฌ๐Ÿฎ๐Ÿฒ ๐—ถ๐˜€ ๐—ต๐—ฒ๐—ฟ๐—ฒ! Letโ€™s connect technology and vision to create a year of innovation and success. ๐—ช๐—ถ๐˜€๐—ต๐—ถ๐—ป๐—ด ๐˜†๐—ผ๐˜‚ ๐—ฎ๐—น๐—น ๐—ฎ ๐—›๐—ฎ๐—ฝ๐—ฝ๐˜† ๐—ก๐—ฒ๐˜„ ๐—ฌ๐—ฒ๐—ฎ๐—ฟ!
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Thomas Koetzing
Thomas Koetzing@Koetzingยท
Using Zero Touch Certificate Management (ZTCM)? Watch out for a critical bug: - Secondary node may leak memory โ†’ system freeze - Happens when Clear Config runs automatically every minute Citrix is working on a fix and Workaround: disable node sync
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Thomas Koetzing
Thomas Koetzing@Koetzingยท
๐—–๐—จ๐Ÿญ for Citrix Virtual Apps and Desktops 7 2507 LTSR is ours and resolves numerous ๐—ฆ๐˜†๐˜€๐˜๐—ฒ๐—บ ๐—˜๐˜…๐—ฐ๐—ฒ๐—ฝ๐˜๐—ถ๐—ผ๐—ป๐˜€ issues for both single and multi-session operating systems. buff.ly/UTsmH3V
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Thomas Koetzing
Thomas Koetzing@Koetzingยท
NetScaler ADC and NetScaler Gateway Security Bulletin CVE-2025-12101 has a moderate severity score of 5.9. It's time to consider an upgrade. buff.ly/VYJsycj
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Thomas Koetzing
Thomas Koetzing@Koetzingยท
From Uncertainty to Optimism: A Citrix Veteranโ€™s Take on the Cloud Software Group Era buff.ly/jGILrIr
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Thomas Koetzing
Thomas Koetzing@Koetzingยท
Citrix Admins & Architects โ€“ ๐—”๐—ฟ๐—ฒ ๐—ฌ๐—ผ๐˜‚ ๐— ๐—ผ๐—ป๐—ถ๐˜๐—ผ๐—ฟ๐—ถ๐—ป๐—ด ๐—ช๐—ต๐—ฎ๐˜ ๐— ๐—ฎ๐˜๐˜๐—ฒ๐—ฟ๐˜€ ๐— ๐—ผ๐˜€๐˜? Thatโ€™s why Iโ€™m advocating for an ๐—œ๐—ป๐—ณ๐—ฟ๐—ฎ๐˜€๐˜๐—ฟ๐˜‚๐—ฐ๐˜๐˜‚๐—ฟ๐—ฒ ๐— ๐—ผ๐—ป๐—ถ๐˜๐—ผ๐—ฟ ๐—ณ๐—ผ๐—ฟ ๐—ฆ๐˜๐—ผ๐—ฟ๐—ฎ๐—ด๐—ฒ ๐—ฃ๐—น๐˜‚๐˜€! Read the full article buff.ly/XiuUjl5
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Thomas Koetzing
Thomas Koetzing@Koetzingยท
๐Ÿšจ Windows 10 support is ending soon โ€“ ๐˜๐—ถ๐—บ๐—ฒ ๐˜๐—ผ ๐˜‚๐—ฝ๐—ด๐—ฟ๐—ฎ๐—ฑ๐—ฒ!๐Ÿ’กhere is a ๐—ต๐—ฎ๐—ป๐—ฑ๐˜€-๐—ผ๐—ป ๐—ด๐˜‚๐—ถ๐—ฑ๐—ฒ ๐—ฏ๐—ฎ๐˜€๐—ฒ๐—ฑ ๐—ผ๐—ป ๐—ฟ๐—ฒ๐—ฎ๐—น-๐˜„๐—ผ๐—ฟ๐—น๐—ฑ ๐—ฒ๐˜…๐—ฝ๐—ฒ๐—ฟ๐—ถ๐—ฒ๐—ป๐—ฐ๐—ฒ to help you make the switch smoothly with ๐—ฉ๐— ๐˜„๐—ฎ๐—ฟ๐—ฒ + ๐—–๐—ถ๐˜๐—ฟ๐—ถ๐˜… ๐—ฃ๐—ฉ๐—ฆ ๐—ผ๐—ฟ ๐— ๐—–๐—ฆ. buff.ly/0TCBy1A
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Thomas Koetzing
Thomas Koetzing@Koetzingยท
#Citrix, it's time to address three HDX issues! Check out my latest article discussing HDX and UDP, HDX's traditional graphics mode, and HDX Graphics, along with my thoughts on what Citrix should tackle. buff.ly/SGia4AE
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Thomas Koetzing
Thomas Koetzing@Koetzingยท
#Citrix released HF2 for the 2402 LTSR to resolve a cursor issue in single-session environments, similar to Hotfix 1, which also involved a ๐—ณ๐—ถ๐—น๐—ฒ ๐˜€๐˜„๐—ฎ๐—ฝ. Having two hotfixes for an LTSR CU2 isn't promising. Hopefully 2507 LTSR will do better. buff.ly/GnDyete
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Thomas Koetzing
Thomas Koetzing@Koetzingยท
CVE-2025-6759 impacts the ๐—ฉ๐—ถ๐—ฟ๐˜๐˜‚๐—ฎ๐—น ๐——๐—ฒ๐—น๐—ถ๐˜ƒ๐—ฒ๐—ฟ๐˜† ๐—”๐—ด๐—ฒ๐—ป๐˜ for CVAD, DaaS, enabling a user with minimal privileges to escalate their ๐—ฎ๐—ฐ๐—ฐ๐—ฒ๐˜€๐˜€ ๐˜๐—ผ ๐—ฆ๐—ฌ๐—ฆ๐—ง๐—˜๐—  ๐—น๐—ฒ๐˜ƒ๐—ฒ๐—น. P๐—ฟ๐—ผ๐—บ๐—ฝ๐˜๐—น๐˜† ๐˜‚๐—ฝ๐—ฑ๐—ฎ๐˜๐—ฒ your VDA to mitigate vulnerability. buff.ly/RTraFWb
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Thomas Koetzing
Thomas Koetzing@Koetzingยท
Urgent alert! #Citrix Netscaler ADC, -SDX, and -Console are now affected by new security vulnerabilities identified as CVE-2025-4365, CVE-2025-5349, and CVE-2025-5777. Check out buff.ly/beuRgif and buff.ly/rrwpkne
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Thomas Koetzing
Thomas Koetzing@Koetzingยท
Article now published!
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Thomas Koetzing
Thomas Koetzing@Koetzingยท
My new article could ๐—ฟ๐—ฒ๐˜ƒ๐—ผ๐—น๐˜‚๐˜๐—ถ๐—ผ๐—ป๐—ถ๐˜‡๐—ฒ ๐—–๐—ถ๐˜๐—ฟ๐—ถ๐˜… ๐—จ๐˜€๐—ฒ๐—ฟ ๐—ฃ๐—ฟ๐—ผ๐—ณ๐—ถ๐—น๐—ฒ ๐— ๐—ฎ๐—ป๐—ฎ๐—ด๐—ฒ๐—บ๐—ฒ๐—ป๐˜ integration. Instead of ๐˜€๐—ถ๐—บ๐—ฝ๐—น๐—ฒ ๐˜€๐˜๐—ฎ๐˜๐—ถ๐˜€๐˜๐—ถ๐—ฐ๐˜€, imagine a ๐—ฐ๐—ฒ๐—ป๐˜๐—ฟ๐—ฎ๐—น ๐—ฑ๐—ฎ๐˜€๐—ต๐—ฏ๐—ผ๐—ฎ๐—ฟ๐—ฑ ๐—ผ๐˜ƒ๐—ฒ๐—ฟ๐˜ƒ๐—ถ๐—ฒ๐˜„ and more! Read the article at buff.ly/UrBKnZW
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Thomas Koetzing
Thomas Koetzing@Koetzingยท
@t15_v I know, should be published tomorrow but I will fix that later today.
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vT15โ€
vT15โ€@t15_vยท
@Koetzing Kindly please fix your link: You don't have permission to access this. Please contact a website administrator if this is incorrect.
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