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DXGI_ERROR_REMOTE_CLIENT_DISCONNECTED
Locate the failing graphics boundary: remote client disconnected
Windows reports DXGI_ERROR_REMOTE_CLIENT_DISCONNECTED (0x887A0023) at the dxgi error checkpoint. Here, the remote adapter backing the Direct3D device disappeared because the interactive or network session disconnected. That narrows the first investigation to remote graphics device lifetime instead of the entire GPU stack.
Do not erase all shader caches or recreate every graphics object before preserving the first failing call. Cache, policy, remote-session and device-lifetime failures have different recovery rules.
Evidence that makes the result actionable
| Capture item | Why it matters |
|---|---|
| Supporting trace | DXGI debug messages, adapter LUID, driver version, device-removal reason where applicable and the exact API parameters |
| Object identity | remote graphics device lifetime |
| Rejected condition | the remote adapter backing the Direct3D device disappeared because the interactive or network session disconnected |
| What to capture | session connect/disconnect events, adapter enumeration, factory currency, device-removed reason and remote transport state |
| Current graph state | DXGI factory, adapter, device, resource or cache session |
A controlled comparison
- Capture the failing state. Record session connect/disconnect events, adapter enumeration, factory currency, device-removed reason and remote transport state.
- Disconnect and reconnect a test remote session while preserving CPU-side application state.
The comparison with DXGI_ERROR_REMOTE_OUTOFMEMORY is especially useful: DXGI_ERROR_REMOTE_OUTOFMEMORY keeps the session context but removes the device because the remote host exhausted memory.
Correction and proof
Release the remote device, wait until IDXGIFactory1::IsCurrent indicates fresh topology, then enumerate and recreate resources.
- debug-layer, ETW or driver diagnostics no longer report the rejected remote graphics device lifetime contract during the same scenario.
Implementation notes
Log DXGI debug messages, adapter LUID, driver version, device-removal reason where applicable and the exact API parameters.
Technical references
- Microsoft: DXGI error codes — background for the remote graphics device lifetime.
- Microsoft: DXGI overview
- Microsoft: Direct3D 12 shader cache StoreValue
- Microsoft: Handle device-removed scenarios
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