event id 6155 (The LSA package is not signed as expected)

Question

Event id 6155 A large number of errors occur
The LSA package is not signed as expected. This has resulted in the Credential Guard.
PackageName: msv1_0 Unexpected behavior may occur.
The same error occurs in other project names
The project name is as follows
negoexts / kerberos / msv1_0 / tspkg / pku2u / cloudap / wdigest / schannel / sfapm /

Answer 1

Hi there,

Event 6155 is triggered by the local security password verification.

What is the impact of the events on your usage? Please describe them specifically, it will help us to solve the problem.

The user logon error occurs when a user's cached credentials have been purged from the local computer by more recent domain user logons.

Notable Events in Azure Security Center https://techcommunity.microsoft.com/t5/microsoft-defender-for-cloud/notable-events-in-azure-security-center/ba-p/167596

I hope this information helps. If you have any questions please let me know and I will be glad to help you out.

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Answer 2

Issue continues

LSA package is not signed as expected. This can cause unexpected behaviour with Credential Guard.

Win 11 Pro 22H2

Answer 3

Is a bug of Microsoft 22h2

Answer 4

Kindly go through the following Microsoft reference:

Configuring Additional LSA Protection