🪲 CIS.M365.1.2.2 - failing with HttpStatusCode=401

[davidolley]

Pre-submission checklist

• I can reproduce this issue using the latest released version of Maester.
• I have searched the existing issues and did not find a similar report.

Describe the bug

Test CIS.M365.1.2.2 is failing with the following error message in the report:

Get-EXOMailbox: Error while querying REST service. HttpStatusCode=401

It is the only failing test in my setup, and all permisions have been setup as per the documentation

Steps to reproduce

Test-MtCisSharedMailboxSignIn

Expected behavior

I expect the test to return either passing or failing

Debug output

15/05/2026, 11:13:02 - Output: Starting Maester
15/05/2026, 11:13:02 - Output: �[33;1mVERBOSE: ConnectionInformation not in cache, requesting.�[0m
15/05/2026, 11:13:02 - Output: �[33;1mVERBOSE: Exchange Online: True�[0m
15/05/2026, 11:13:02 - Output: �[33;1mVERBOSE: Graph: True�[0m
15/05/2026, 11:13:02 - Output: �[33;1mVERBOSE: Getting all shared mailboxes�[0m
15/05/2026, 11:13:02 - Output: �[33;1mVERBOSE: EXOSharedMailbox not in cache, requesting.�[0m
15/05/2026, 11:13:02 - Output: �[33;1mVERBOSE: Running Get-ExoMailbox�[0m
15/05/2026, 11:14:05 - Output: �[33;1mVERBOSE: Not running in a Pester context.�[0m
15/05/2026, 11:14:06 - Output: �[33;1mVERBOSE: Not running in a Pester context.�[0m
15/05/2026, 11:14:06 - Output: �[33;1mVERBOSE: Adding test result detail for �[0m
15/05/2026, 11:14:06 - Error: �[31;1mInvalidResult: �[31;1mis skipped, because An error occurred while running the test. ??    Get-EXOMailbox: Error while querying REST�[0m
15/05/2026, 11:14:06 - Output: �[33;1mVERBOSE: Result: 
15/05/2026, 11:14:06 - Output: Error. An error occurred while running the test. ??
15/05/2026, 11:14:06 - Error: �[31;1m�[31;1mservice. HttpStatusCode=401�[0m
15/05/2026, 11:14:06 - Output: 
15/05/2026, 11:14:06 - Error: �[31;1m�[31;1mErrorMessage=                                                                                                           �[0m
15/05/2026, 11:14:06 - Error: �[31;1m�[31;1m                                                                                                                        �[0m
15/05/2026, 11:14:06 - Output: 
15/05/2026, 11:14:06 - Error: �[31;1m�[31;1m           �[0m
15/05/2026, 11:14:06 - Output: 
15/05/2026, 11:14:06 - Output: Get-EXOMailbox: Error while querying REST service. HttpStatusCode=401 ErrorMessage=                                                                                                                                                                                                                                           
15/05/2026, 11:14:06 - Output: 
15/05/2026, 11:14:06 - Output: 
15/05/2026, 11:14:06 - Output: 
15/05/2026, 11:14:06 - Output: 
15/05/2026, 11:14:06 - Output: 
15/05/2026, 11:14:06 - Output: �[0m

Module version

ModuleType Version    PreRelease Name                               
---------- -------    ---------- ----                              
Script     2.1.0                 Maester

Environment data

Name                           Value
----                           -----
PSVersion                      7.4.6
PSEdition                      Core
GitCommitId                    7.4.6
OS                             Microsoft Windows 10.0.20348
Platform                       Win32NT
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0…}
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1
WSManStackVersion              3.0

Screenshots

No response

Additional context

No response

[seick]

Can confirm. I have the same error.