Coexistence mode defined by Microsoft and cannot be changed.

Question

Coexistence mode defined by Microsoft and cannot be changed.

Luiz Felipe 65

Hey guys!

I'm trying to change the coexistence mode between Teams and Skype so that members of my organization who are still using Skype can communicate with the new members who only have access to Teams.

But when trying to change modes, I am blocked by the following message:

admin painel teams error

When trying to send a message from teams to skype I get the following error:

(my teams is in the pt-br language)

"We ran into a problem sending your message. Please share diagnostic code 504/1008 with your admin to help them troubleshoot the issue."

teams error

When trying to send a skype message to teams I don't have any error return from skype, but the message doesn't reach the destination.

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Answer 1

JimmyYang-MSFT 58,641 Microsoft External Staff

@Luiz Felipe

As far as I know, once we finished upgrading to Teams only, we can’t revert it back.

I found one similar feature “ Teams External Access” and consider you may try enabling it to see if it meets your need:

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Luiz Felipe 65 Reputation points

2023-07-03T16:58:59.4766667+00:00

Hello!

it's all activated! it still doesn't work, I keep getting the error message...
JimmyYang-MSFT 58,641 Reputation points Microsoft External Staff

2023-07-07T03:34:45.7266667+00:00
@Luiz Felipe

The error message "504/1008" in Microsoft Teams indicates a network connectivity issue between your tenant and the recipient's tenant.

In this way, you could try to check these settings:

Confirm that the recipient's tenant has also been configured for Teams interop.

Check for any network firewall or proxy restrictions that could be blocking the communication between your tenant and the recipient's tenant.

Check if your tenant has any network or firewall restrictions that could be blocking the communication.
JimmyYang-MSFT 58,641 Reputation points Microsoft External Staff

2023-07-11T08:09:09.8466667+00:00

@Luiz FelipeIt has been a while, how is everything going?

If you have any update about this issue, please feel free to post back.

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Coexistence mode defined by Microsoft and cannot be changed.

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