Matched as: the code as given (hex)
HRESULT breakdown: code: 1726, customer: False, facility: 7, severity: failure (bit 31 set), wraps_win32: 1726, ntstatus_wrapped: False
Things to try
Click a command to select all of it, then copy.
Error text on Microsoft's page: Windows Server 2016 Std failed to install cumulative packages by using the .msu package. No error is returned. When installing the packages with dism.exe, it returned the error 0x800706be.
Microsoft's label for this row: Failed to install cumulative updates
The last cumulative update didn't install, and it was corrupted. To resolve this issue, navigate to the registry key for the corrupted update package. Change the "current state" value to 000020 hex (32 dec) - resolved, or 000040 hex (64 dec) - staged, or 000070 hex (112 dec) - installed.
Log how it went
Log a case with no specific solution
Source: Common Windows Update errors · CC-BY-4.0 (MicrosoftDocs/SupportArticles-docs, repo license verified 2026-10-09) · retrieved 2026-10-09