What does Windows error code 7070 (ERROR_TS_VIDEO_SUBSYSTEM_ERROR) mean?

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: ERROR_TS_VIDEO_SUBSYSTEM_ERROR windows can't connect to your session because a problem occurred in the Windows video subsystem. Try connecting again.

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ERROR_TS_INCOMPATIBLE_SESSIONS	FRS_ERR_INVALID_API_SEQUENCE

ERROR_TS_VIDEO_SUBSYSTEM_ERROR

ERROR_TS_VIDEO_SUBSYSTEM_ERROR means Windows could not establish the requested remote session because the host video subsystem encountered a problem. This often needs host-side graphics, driver, or session-graphics investigation rather than a user-account change.

What to check

Review Display, System, and TerminalServices events at the failure time for GPU driver resets or graphics initialization errors.
Check whether the issue affects all RDP clients or only high-resolution, multi-monitor, or GPU-accelerated sessions.
Use a vendor-supported, current graphics driver and verify the problem with a simpler RDP display configuration before changing server security policy.

Microsoft: Remote Desktop Services system error codes

Microsoft: Troubleshoot Remote Desktop disconnected errors

Microsoft: Remote Desktop Services overview

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