Unable to access https://aka.ms/BCYammer

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Posted on by KM-07011058-0

Hello,

Anyone experiencing issues accessing https://aka.ms/BCYammer site with this error, do you know if it has moved?

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Dynamics 365 Business Central

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Pallavi Phade 5,420 Super User 2026 Season 1 on at

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Namaste @KM-07011058-0

I m also facing the same issue . Need to check with MS.

Regards

Pallavi Phade

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KM-07011058-0 99 on at

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Namaste @PA_Forum_User

Thanks, and let me see if I can log this with MS Unless you find out first, let me know.

Thanks for helping.

Kind regards

Kanti

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Khushbu Rajvi. 22,130 Super User 2026 Season 1 on at

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Issues access microsoft yammer partner network - Microsoft Q&A

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KM-07011058-0 99 on at

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Hi Khushbu,

Thanks for this, but the issue is that I am not able to access the link https://aka.ms/BCYammer

Does it work for you?

Kind regards

Kanti

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Valentin Castravet 32,208 Super User 2026 Season 1 on at

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You can't access it because it's been closed. Microsoft is migrating the Business Central group from Yammer to Viva Engage in October/November 2025.

More info here: About Business Central partner community on Viva Engage - Business Central | Microsoft Learn

You can sign up for Viva Engage here: Business Central Partner Viva Engage Group Enrollment

Valentin Castravet
Work: Zander ERP Services
Blog: Dynamics 365 Business Central Insights
LinkedIn: www.linkedin.com/in/valentin-c-0500a247/

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Jeffrey Bulanadi 9,112 Super User 2026 Season 1 on at

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Hi,

The link https://aka.ms/BCYammer is still active, but it now redirects to Viva Engage, Microsoft’s updated platform for internal and partner communities. If you’re seeing an error like AADSTS900023: Specified tenant identifier 'dynamicsnavdev' is neither a valid DNS name, nor a valid external domain, it typically means:

You’re trying to access the group from a non-partner tenant or

Your Microsoft Entra ID (Azure AD) is not linked to a valid Microsoft Partner Network (MPN) ID

This should work

1. Confirm Partner Eligibility

You must be a member of the Microsoft Partner Network with a valid MPN ID.

Your Microsoft account must be associated with the partner tenant that has access to the Business Central Viva Engage group.

2. Use the Correct Tenant

The error suggests that dynamicsnavdev is not a recognized tenant.

Try signing in using your official partner tenant domain (e.g., yourcompany.onmicrosoft.com)

Avoid using sandbox or dev tenants unless they’re registered under your MPN profile.

3. Troubleshoot Access

If you’re not receiving confirmation emails or access links, contact Microsoft at dyn365bep@microsoft.com

Include your MPN ID, tenant domain, and a screenshot of the error

You can also flag the issue using the “Enable flagging” link shown in the error message (within 20 minutes of occurrence)

4. Alternate Resources

If access remains blocked, you can still find partner resources at

aka.ms/BCPartnerPortal

aka.ms/BCCommunity

aka.ms/BCLearn

Helpful Reference
Join Viva Engage for Business Central – Microsoft Learn
Resources for Partners – Microsoft Learn
Community thread: Access to DynamicsNAVDev Yammer group

If you find this helpful, feel free to mark this as the suggested or verified answer.

Cheers
Jeffrey

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Rishabh Kanaskar 6,219 Super User 2026 Season 1 on at

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Hi,

Yammer access is being phased out for Business Central groups. Microsoft is migrating the Business Central partner community from Yammer to Viva Engage during October–November 2025.

If you're seeing errors, it's likely because the Yammer tenant has been closed or deprecated. You’ll need to join the Viva Engage group to continue participating.

Thanks

Rishabh

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Teddy Herryanto (Th... 14,302 Super User 2026 Season 1 on at

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They are moving to Viva Engage. Not sure when it will finish, but should be between now and the end of November 2025.

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KM-07011058-0 99 on at

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Thanks, everyone, for your response. I have asked to be joined in the group Business Central Partner Viva Engage Group Enrollment and am awaiting confirmation.

Will let you know how I get on.

Kind regards

Kanti

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Valentin Castravet 32,208 Super User 2026 Season 1 on at

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Please mark the answer as verified if it helped.

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