We have identified the issue. In the outlook the user permissions has to be changed from "Free/Busy time" to "Full Details" after this setting is updated in the outlook client.
The Teams>Schedule assistant showing the users calendar with the details instead of showing "\\\"
Teams: The Scheduling Assistant tab does not shows the Free Busy info

When using Teams to schedule a meeting after adding the attendees.The Scheduling Assistant tab does not shows the Free Busy info for the member-users who all are available at that point and it shows a just slash "\\" can you advise why details are not displayed here?
Can anyone please advise
Microsoft Teams | Microsoft Teams for business | Other
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SR VSP 1,251 Reputation points
2020-12-23T20:10:06.663+00:00
1 additional answer
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JimmyYang-MSFT 58,641 Reputation points Microsoft External Staff
2020-12-15T06:46:23.75+00:00 Hi @SR VSP ,
Do you have the same issue in outlook client?
Can you see the busy/free information from another attendees?
I did a test in our client, it seems the slash only shows to me. Other attendees can see the busy/free information normally in the Schedule Assistance. The picture shows for your reference:
In my experience, Teams has a limit on the number of attendees in a distribution list that it can display free/busy information for. If you try to add a distribution list that is too large, the free busy check will fail. Expanding the distribution list might allow schedule assistance to recover the free/busy information for the attendees. At the same time, it has a limit on the number of attendees in a meeting that it can show Free/Busy information for.
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