The second follow-up review found no Blocker and no Major, and four
Minors that are corrected. Test-MatrixCleanup.ps1 and the README say
that every unresolved S-1-5-21-* member of Performance Log Users counts
as an entry of the probe; a Verify with the new script found none on
the two machines of the first lab. The record says that the replay
shows that the module doesn't decide the outcome and that six runs can't
rule out a small effect, which the result bullet and the summary of the
evidence had left out; it lists the first-lab counts among its tables,
names the controller blob of rc7d, says that the first-lab check ran
before the profile and log-group fields existed, counts nine restarts
inside the series, and mentions the first attempt of the cleanup test
that died. The controller comment says "for the baseline and for the
final candidate alike" instead of "whichever version"; no code changed.
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Co-authored-by: AI Assistant <ai@example.com>
Test-MatrixCleanup.ps1 now counts and repairs the probe folders
(C:\NtfsProbeRecreation and C:\NtfsProbeModules), the local NtfsProbe*
users with their profiles, and the NtfsProbe* objects of the directory.
The scripts of the matrix default to the client OSWin11E.
Export-CellTimeline.ps1 writes one row for every cell, edition, and
Admin role: the module, the account and its relative ID, the times, and
the three effective-access tests. Test-StaleAuthzModel.ps1 replays such a
timeline against a model of the failures: the fit, a listing of the runs,
the cells of a controller that reuses the account name, and a permutation
test.
The comment in the controller says what the replay showed. The code of
the controller is unchanged.
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When an account is deleted and created again with the same name, a Kerberos S4U
logon for it keeps returning the SID and the groups of the deleted account for
a while, on the domain controller, the client, and the file server. The matrix
deletes the fixture after each cell and creates it for the next, so the
effective-access tests of the Admin role found no access for the new account in
cells that followed within minutes (Windows Server 2022 cell, candidate and
baseline alike, shown by a probe that creates the accounts in a loop). A new
fixture now gets NtfsLiveSubject and four digits; a fixture that exists keeps
its account.
The end-state check of the matrix also reports leftover scheduled tasks, stage
folders, standard users, and probe accounts, which the review asked for.
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The operating-system matrix runs on Windows Server 2019, 2022 and 2025 found
three defects in the fixture setup and removal of Invoke-NTFSSecurityLabTest.ps1:
- A native command's stderr that is redirected with 2>&1 is a terminating
error in Windows PowerShell 5.1 under $ErrorActionPreference = 'Stop'. The
first "The directory is not empty" line from PowerShell 7 ended the removal
on Server 2019 before any retry. The removal is now a bounded loop whose
PowerShell 7 command writes its errors to its output.
- Get-LocalGroupMember fails with "Failed to compare two elements in the
array" when a group holds an orphaned SID, for example that of an account an
earlier run deleted. The setup adds the members with Add-LocalGroupMember and
ignores MemberExistsException instead of checking the members first.
- A user profile that is gone in the meantime no longer fails the client
cleanup, and the retries are reported to the host.
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Case 10 of the lab tests checks, over SMB and on the file server, what the
fixes of ai/quality-gate-paths changed: the owner restore, InheritedFrom, a
later command that ends the pipeline or throws (also at the verbose, debug,
and error streams), Get-ChildItem2 -Filter, and the privileges that a
stopped cmdlet left enabled. The fixture adds the folders that the tests
need. 78 tests per edition are new.
The record compares the candidate 83149ee with its base f11ff41 in the lab:
the candidate passed 486 tests and failed none, the base failed 148 of the
same tests, and each of them passes on the candidate. The fixture was removed
and the end state verified independently.
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Add the cases 4b (orphaned audit entry), 5 (owner), 6 (audit inheritance,
Clear-NTFSAudit, Get-NTFSInheritance), 7 (item cmdlets on the share),
8 (link cmdlets on the share), and 9 (Get-NTFSSimpleAccess), and the
accounts of three other domains and forests (-ForeignDomainController).
The fixture writes the folders with SetAccessControl instead of Set-Acl,
which also wrote an empty SACL and dropped the inherited audit entries.
The delegated account expects the denial of Get-NTFSEffectiveAccess
-ServerName, which the file server answers only for its administrators
and the members of Access Control Assistance Operators.
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Add Tests\Lab, which runs the module against a Windows file server with
domain accounts in an AutomatedLab lab: #34 over SMB, the audit cmdlets
over SMB, Get-NTFSEffectiveAccess with domain and file server groups,
Get-NTFSOrphanedAccess with a deleted domain account, long paths on a
share, and #108. Invoke-NTFSSecurityLabTest.ps1 prepares the lab and
runs the tests per module version and PowerShell edition; without a
lab, every live test skips. CI excludes the folder.
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Raimund Andree