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Note

A Terminal Services Client Access License (TSCAL) is always preserved regardless of Write Filter state (enabled or disabled).

If you want to have other registry settings preserved regardless of Write Filter state, contact support for help at http://www.wyse.com.

For procedures on manipulating the Write Filter, refer to:

•“Password Change with the Write Filter”

•“Write Filter Command Line Control” on page 44

•“Write Filter Enable and Write Filter Disable Desktop Icons” on page 45

•“Write Filter Control Dialog Box” on page 46

Password Change with the Write Filter

On Microsoft Windows NT-based computers and on Microsoft Windows 2000 or

2003-based computers, machine account passwords are regularly changed with the domain controller for security purposes. By default, on Windows NT-based computers, the machine account password automatically changes every seven days. On Windows 2000 or 2003-based computers, the machine account password automatically changes every 30 days. The same is applicable for WintermTM 9000 Series Thin Clients if they are a member of a domain.

With the Write Filter enabled, a Thin Client will successfully make this change with the domain controller. Because the Write Filter is enabled, however, the next time the Thin Client is booted it will not retain the new password. In such cases, you can use the following options:

•Disable the machine account password change on a WintermTM 9000 Series Thin Client by setting the DisablePasswordChange registry entry to a value of 1.

•Disable the machine account password change in Windows NT 4.0 or in Windows 2000 or 2003, by setting the RefusePasswordChange registry entry to a value of 1 on all domain controllers in the domain instead of on all workstations. WintermTM 9000 Series Thin Clients will still attempt to change their passwords every 30 days, but the change will be rejected by the server.

Note

On Windows NT 4.0 domain controllers, you must change the RefusePasswordChange registry entry to a value of 1 on all Backup Domain Controllers (BDCs) in the domain before you make the change on the Primary Domain Controller (PDC). Failure to follow this order will cause event ID 5722 to be logged in the event log of the PDC.

If you set the RefusePasswordChange registry entry in the Windows 2000 or 2003 Domain Controller to a value of 1, the replication traffic will stop, but not the Thin Client traffic. If you also set the DisablePasswordChange registry entry to a value of 1 in the Thin Client, both Thin Client and replication traffic will stop.

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Wyse Technology TM 9000 Series manual Password Change with the Write Filter
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TM 9000 Series specifications

Wyse Technology TM 9000 Series is a line of thin clients designed specifically to meet the demands of enterprise environments. Known for their reliability and performance, these devices provide a cost-effective solution for organizations looking to enhance their IT infrastructure while minimizing maintenance and operational expenses.

One of the standout features of the TM 9000 Series is its support for a broad range of virtualization protocols. This includes popular solutions such as Citrix, VMware, and Microsoft Remote Desktop Services. By enabling seamless access to virtualized applications and desktops, the TM 9000 devices help businesses streamline their workflows and improve productivity. Users can enjoy a full desktop experience, complete with multimedia and graphics capabilities, without the need for high-powered personal computers.

The series boasts a compact design, making it an ideal choice for space-constrained offices. Each unit is energy-efficient, contributing to lower power consumption and reduced environmental impact. This aligns with the growing trend of sustainable business practices. Furthermore, the TM 9000 Series is built with advanced security features, including support for secure boot and virtual desktop infrastructure (VDI) security measures, ensuring that sensitive data remains protected.

In terms of hardware, the TM 9000 Series is equipped with various options for processors and memory configurations, allowing organizations to select models that best suit their performance needs. With improvements in processing power and memory capacity over previous generations, users can experience faster application load times and improved responsiveness.

Another significant characteristic of the TM 9000 Series is its manageability. With centralized management tools, IT departments can easily deploy updates, configure settings, and monitor device performance from a central location. This reduces the workload associated with device maintenance and ensures that all clients are up-to-date with the latest software and security patches.

Connectivity options are also abundant in the TM 9000 Series, including multiple USB ports, display outputs, and Ethernet connections. This versatility allows users to connect various peripherals such as monitors, keyboards, and mice, enhancing their overall computing experience.

In conclusion, Wyse Technology TM 9000 Series stands out for its robust feature set, exceptional performance in virtualized environments, and strong security measures. With its combination of efficiency, manageability, and flexible connectivity, it offers a reliable solution for businesses seeking to optimize their IT operations in an increasingly digital world.
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