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The only thing you can do here is add the permissions, or request your admins to do so.
Error when executing the command "Get-MgTeamChannelMessage"
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Mina
15
Reputation points
The following error occurs when executing the command "Get-MgTeamChannelMessage".
I cannot assign the "ChannelMessage.Read.All" authority due to the restrictions of the organization I belong to. Please let us know how to deal with this case.
Get-MgTeamChannelMessage : Missing scope permissions on the request. API requires one of 'ChannelMessage.Read.All'. ScoAPI requires one of 'ChannelMessage.Read.All'.
Microsoft Security | Microsoft Graph
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Konstantinos Passadis 19,586 Reputation points MVP2023-07-04T17:42:21.3933333+00:00 Hello @Mina !
Do you have any feedback or is your question answered?
In case any answer helped kindly mark it as Accepted and upvote so others can benefit as well!
Regards
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4 answers
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Vasil Michev 119.5K Reputation points MVP Volunteer Moderator2023-06-27T17:25:27.1733333+00:00 -
Mina 15 Reputation points
2023-07-03T22:47:59.0933333+00:00 Thank you for your reply. Sorry for the delay in responding.
What we want to achieve is to run the authentication command "Connect-MgGraph -Scopes ChannelMessage.Read.All" in PowerShell to get information about only the channels in a specific team.
I have been informed that by using the filtering function of the Graph API, it is possible to control access to only the necessary channels, but I wonder if you know the details? Thank you in advance.
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Konstantinos Passadis 19,586 Reputation points MVP
2023-07-03T23:43:07.12+00:00 Hello @Mina !
Welcome to Microsoft QnA!
As @Vasil Michev already explained , you need an Administrator to add this Permission for you to be able to run the Command
I hope this helps!
Kindly mark the answer as Accepted and Upvote in case it helped!
Regards
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Mina 15 Reputation points
2023-07-04T00:07:53.7333333+00:00 Thanks for the reply.
I am an ordinary user and I have been told by the administrator that it is not allowed to grant "Channel.Message.Read.All" permission.
So I am wondering if there is a way to grant read permission only to specific Teams?
Thank you in advance.
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Konstantinos Passadis 19,586 Reputation points MVP
2023-07-04T07:03:43.76+00:00 Hello @Mina !
You can probably use the Microsoft Teams Powershell Module
https://learn.microsoft.com/en-us/microsoftteams/teams-powershell-install
https://learn.microsoft.com/en-us/powershell/module/teams/?view=teams-ps
But i am not sure whether you can achieve the same command as it is more of an Administrative Tool
also you can try : Connect-MgGraph -Scopes "ChannelMessage.Read.All"
See if this allows you to read your team messages
I hope this helps!
Kindly mark the answer as Accepted and Upvote in case it helped!
Regards
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Mina 15 Reputation points
2023-07-05T23:31:28.1766667+00:00 Thank you for your answer.
I was referring to the following URL and could not distinguish which command would allow me to retrieve information only for channels within a specific team.
https://learn.microsoft.com/en-us/powershell/module/teams/?view=teams-ps
Thank you for your time, but could you please tell me which command to try?
Thank you in advance.
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Konstantinos Passadis 19,586 Reputation points MVP
2023-07-06T10:13:41.6433333+00:00 Hello @Mina !
The Powershell is more Adminitrative than Operator, i researched and did not find what you need.
You need the API Permissions to retrieve the Messages
I hope this helps!
Kindly mark the answer as Accepted and Upvote in case it helped!
Regards
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Mina 15 Reputation points
2023-07-06T12:12:16.7033333+00:00 Thanks for the reply.
When you say you need API permissions, do you mean you need ""ChannelMessage.Read.All"" permission?
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Konstantinos Passadis 19,586 Reputation points MVP
2023-07-06T22:42:35.5333333+00:00 Hello @Mina !
Yes , exactly
I researched the whole issue , cannot find any other way to achieve that....
Talk to the Admin to provide Delegated Permissions for ChannelMessage.Read.All
In the meantime here are the instructions for the Filtering you mentioned earlier
https://learn.microsoft.com/en-us/graph/filter-query-parameter?tabs=powershell
I hope this helps!
Kindly mark the answer as Accepted and Upvote in case it helped!
Regards
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Mina 15 Reputation points
2023-07-06T23:36:14.7+00:00 Thank you for your answer.
I have been told by my administrator that I cannot delegate the "ChannelMessage.Read.All permission".
I have no knowledge of PowerShells filtering, can you please tell me how to narrow down the permissions?
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Konstantinos Passadis 19,586 Reputation points MVP
2023-07-07T07:35:56.6766667+00:00 Hello @Mina !
Unfortunately you need the permissions
I hope this helps!
Kindly mark the answer as Accepted and Upvote in case it helped!
Regards
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