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Microsoft Teams
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Hi @Jurgen Haas
Welcome to Q&A forum!
Our forum is currently supported in English, could you translate your language into English? Thanks for your understanding!
Based on your description, do you mean you cannot use Teams client successfully after having Microsoft 365 Business subscription?
Please make sure the Teams plan is included in your Microsoft 365 license. Access premium benefits for Teams with the purchase of Microsoft 365 Personal, Microsoft 365 Family, any Office 365 and Microsoft 365 Business or Enterprise suite, or with a standalone offering of Teams Essentials for small and medium-sized business customers.
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