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ERROR_CTX_GRAPHICS_INVALID
ERROR_CTX_GRAPHICS_INVALID means an application attempted to enable a legacy DOS graphics mode that Windows Remote Desktop Services does not support. This is an application compatibility limitation, not a normal RDP display-setting error.
What to check
- Identify the application that requested the graphics mode and verify whether it supports modern Windows and remote sessions.
- Test the program locally on the host to distinguish a general application failure from an RDS-specific limitation.
- Use a supported application version or vendor-supported compatibility path instead of changing RDP security or licensing settings.
Microsoft: Remote Desktop Services system error codes
Microsoft: Troubleshoot Remote Desktop disconnected errors
Microsoft: Remote Desktop Services overview
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