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WDSTPTMGMT_E_TFTP_VAR_WINDOW_NOT_SUPPORTED
WDSTPTMGMT_E_TFTP_VAR_WINDOW_NOT_SUPPORTED is a Windows Deployment Services Transport Management result. It indicates that the WDS TFTP server cannot enable the requested variable-window extension.
What to check for WDSTPTMGMT_E_TFTP_VAR_WINDOW_NOT_SUPPORTED
- Check WDS TFTP feature support on the target server before enabling the variable-window extension.
- Use standard TFTP window behavior when this extension is unavailable.
- Test PXE boot clients after changing TFTP extensions because client firmware support can vary.
for it, Microsoft documentation on Windows Deployment Services and the WDS Transport Management API
Diagnostic interpretation
This result has the HRESULT value 0xC1100122. AllStat records the condition as “The Windows Deployment Services Transport Server does not support the TFTP variable window extension.”.
Evidence to capture
- Capture any IErrorInfo text, activity identifier, event-log entry, and subsystem trace that mentions this result or the wdstptmgmt / tftp / var / window / supported operation.
- check the documented return contract of the specific API because the same HRESULT can require different recovery in different interfaces.
Retry and recovery
” has changed.
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