Hi @Amir Sohail ,
Thanks for reaching out.
Currently a single Graph change subscription to Teams presence can be created. When we try to add more subscriptions then we get the conflict error "A subscription already exists. It must be deleted before another can be made".
You can raise a UserVoice for your specific scenario so that it could be considered for future implementation.
You may check a similar post for more information here.
Hope this helps.
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