Windows 2019 Server RDS stops working after warning event of DWMNIT

Mallesh MR 0 Reputation points
2023-09-12T09:59:18.9466667+00:00

Windows 2019 Server RDS stops working after a warning event of DWMNIT. Until the server restarts, the RDP does not work. We did try to restrict the RDP display via Group Policy, but still, we are encountering the issue. Any technical advice would be great.

Event details:

Log Name: Application

Source: Dwminit

Date: 9/1/2023 11:13:12 AM

Event ID: 0

Task Category: None

Level: Warning

Keywords: Classic

User: N/A

Computer:

Description:

The Desktop Window Manager process has exited. (Process exit code: 0xc0000409, Restart count: 1, Primary display device ID: Microsoft Basic Render Driver)

Event Xml:

<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">

<System>

<Provider Name="Dwminit" />

<EventID Qualifiers="32770">0</EventID>

<Level>3</Level>

<Task>0</Task>

<Keywords>0x80000000000000</Keywords>

<TimeCreated SystemTime="2023-09-01T16:13:12.246212100Z" />

<EventRecordID>269540</EventRecordID>

<Channel>Application</Channel>

<Computer></Computer>

<Security />

</System>

<EventData>

<Data>0xc0000409</Data>

<Data>1</Data>

<Data>Microsoft Basic Render Driver</Data>

</EventData>

</Event>

Windows Server 2019
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A Microsoft server operating system that supports enterprise-level management updated to data storage.
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A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.
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A Microsoft app that connects remotely to computers and to virtual apps and desktops.
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  1. JimmySalian-2011 36,681 Reputation points
    2023-09-12T10:36:22.88+00:00

    Hi Mallesh,

    Do you mean you applied the Desktop RDP settings color depth etc? Follow this link - https://learn.microsoft.com/en-gb/windows/win32/w8cookbook/desktop-window-manager-is-always-on?redirectedfrom=MSDN

    Kind of similar issue but within Citrix this was very frequent on our servers - https://support.citrix.com/article/CTX200082/error-the-desktop-window-manager-has-exited-with-code-0xd00002fe-when-launching-apps-and-desktops

    Hope this helps.

    JS

    ==

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