Articles by 'Timothy Karl'

By Timothy Karl, Posted in Virtualization

Citrix Virtual Apps and Desktops 7.15 LTSR will reach End of Life (EOL) on August 15, 2022. Customers using this version who wish to remain on the LTSR track must upgrade to 1912 or 2203 LTSR before then or risk being on an unsupported platform. Besides supportability, there are additional benefits for upgrading to 1912 and 2203 LTSR. Additional OS Support for Infrastructure components and VDAs 7.15 LTSR supports up to Windows 10 for Desktop OS and Windows 2016 Server OS. Both 1912 and 2203 LTSR allow you... read more.

• June 22, 2022

By Timothy Karl, Posted in Infrastructure, Security, Support, Virtualization

Citrix recently released the first new LTSR version of Citrix Virtual Apps and Desktops in over two years. Here is what I feel are the top 5 new features and enhancements available in 2203: #1 - Microsoft Teams Optimizations Citrix has added a lot of functionally to Microsoft Teams optimizations over the last two years that were until now only available in current releases. These new functionalities in the latest LTSR release include: App sharing Multimonitor screen sharing DTMF support Proxy server... read more.

• April 15, 2022

By Timothy Karl, Posted in

Historically, it has been complicated and challenging to manage VDI images across on-premises resource locations and across public clouds, with lots of different platforms, tools, and technologies involved. There are vendor specific components that are always changing and evolving. It is not a seamless experience. Citrix Image Portability Service for Citrix Virtual Apps and Desktops (CAVDS) helps solve this problem. It is a new Citrix Cloud service in tech preview that allows you to migrate images from on-... read more.

• January 27, 2022

By Timothy Karl, Posted in Infrastructure, Storage, Support

One of the common issues I see in VDI are FSLogix profile disks taking up a lot of space. Users’ profiles grow organically over time as they use VDI. If an IT administrator doesn’t monitor and perform regular maintenance on the profile shares, they can run out of space. When this happens, users are unable to log on and active profiles start to become corrupted. Adding more storage can temporarily get things back online; however, that might not always be an option as adding more storage and expan... read more.

• September 16, 2021

By Timothy Karl, Posted in Infrastructure, Security

With anti-malware scanning software it is very important to have the proper malware exclusions in place. A misconfiguration of these settings may lead to performance issues which can may cause outages of critical applications and services due to file contention and locking. IT administrators need to find a balance between a malware-free environment and affecting the reliability and performance of any applications or services. Anti-malware exclusions can come from a variety of sources. Each anti-malwar... read more.

• July 02, 2021

By Timothy Karl, Posted in Infrastructure, Support

Today, over 85% of organizations worldwide operate on Microsoft Active Directory. In many cases, Active Directory has been in place for decades and has not been well maintained for security posture. Hackers often target Active Directory as an easy way for gaining access to a customer’s environment. Gotham has developed an Active Directory Security Risk Assessment offering to provide specific actionable guidance to mitigate security risks in your Active Directory environment. The assessment focuses on... read more.

• March 31, 2021

By Timothy Karl, Posted in Infrastructure, Security

Microsoft Windows 7 and Windows Server 2008 reached end of life on January 14, 2020. This means that Microsoft will no longer be releasing free security patches, updates, or support when something goes wrong. Although these operating systems won’t instantly stop working or become security risks overnight, there are risks with staying on these operating systems for an extended period of time. What happens if I stay on these operating systems? There is a huge risk of being exploited by cyber crimina... read more.

• January 16, 2020

By Timothy Karl, Posted in Infrastructure, Security

On December 17, 2019, Citrix released a critical advisory regarding a vulnerability that allows for remote code execution: CVE-2019-19781 - Vulnerability in Citrix Application Delivery Controller and Citrix Gateway (https://support.citrix.com/article/CTX267027). The vulnerability exploits a directory traversal attack on the /vpn directory on the NetScaler. It allows for remote execution of code under the user nobody. Gotham previously alerted customers to this vulnerability. Citrix plans to release a perma... read more.

• January 15, 2020

By Timothy Karl, Posted in Infrastructure, Virtualization

Microsoft Teams is a unified communication and collaboration platform that combines chat, audio calling, video conferencing, file storage, and application integration. It is a replacement for Skype for Business, which will reach end of life in July 2021. It comes with a company's Office 365 subscription, depending on your licensing plan, and can integrate with non-Microsoft products. The following Office 365 subscription licensing plans enable users for Teams: Image via Microsoft. By hosting Micros... read more.

• December 23, 2019

By Timothy Karl, Posted in Infrastructure, Support

A common issue I see in Citrix Virtual Apps and Desktops deployments is users who are unable to print to their local printers from Mac and Linux clients when using Citrix Universal Printer Driver (UPD ). The good news is, it is a very simple fix! Citrix UPD relies on a series of printer drivers to be installed on the VDA machine. When a client printer is mapped into a session, it is automatically mapped to one of these three drivers: The Citrix Universal Printer and Citrix XPS Universal Printer drivers... read more.

• September 06, 2019