I cannot add an incoming webhook to ms teams channel

Dennis B_ 90

Hello,

yesterday when I tried to add an incoming webhook I got the generic error message that "something went wrong".

Now when I hit "add" on the incoming webhook, I just get a blank page.

Following the network traffic, I found out that the request on

/connectors/IncomingWebhook/Manage/New?MailboxAddress=e880cc50-6518-49f2-9abd-549668ec3b86%401b94b413-6d28-42b0-bf1a-7bb10aa22440&client=SkypeSpaces&SSThread=19%3ApJFBJXqrH3tfd-wLD5uuJOE6xrwauZN_0znaj0OeEAg1%40thread.tacv2&HostName=teams.microsoft.com&culture=de-de&ssApiHost=de.ng.msg.teams.microsoft.com&iframe=true&SSTheme=default&isDesktopClient=false&enableConnectorApps=true&providerId=203a1e2c-26cc-47ca-83ae-be98f960b6b2

returns a server error 500.

We need this desperately. Thankful for any help!

SINANI Ersan 5 Reputation points

2024-07-25T11:10:47.35+00:00

Hello. We are getting the same issue
Stephan Grunder 20 Reputation points

2024-07-26T08:04:12.0233333+00:00

It is not working.
tested on:
24180.205.2980.1757 icw client 49/24062724814
and with webclient**
1415/24061318413**

Due to the short notice of withdrawing the webhook functionality and also the vacation period we really want to use this functionality untill the end. Furthermore workflow is (i think) not supported on shared teams channels (at least I don't see it).
Is there anopther way to add a webhook to a shared channel. I really want to add a webhook to my new channel and as i understand this should be possible to do so until 15th of august. But currently it is not working and time is running out.

regards

Steve
Iran Udayanga 15 Reputation points

2024-07-26T11:43:37.2066667+00:00

we have same issues we can not add a new one
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Aymen E 15 Reputation points

2024-07-29T08:59:37.92+00:00

Still having the same issue, with no error though, just the blank page.

I am pretty sure this is just a move from Microsoft to block us from using O365 Connectors, even though it is no deprecated yet.

So to me, the reality is that its creation is deprecated since sometime now, they just don't officially state the case. Thank you MS !
Prasad-MSFT 6,671 Reputation points Microsoft Vendor

2024-07-30T04:48:33.3866667+00:00

@Dennis B_ , SINANI Ersan, Stephan Grunder, Iran Udayanga, Aymen E could you please share your respective tenant Ids where you are facing this issue, so that we can share those details with engineering team to fix?
Rene Platt 10 Reputation points

2024-08-02T14:48:14.5066667+00:00

Its still not working.
Prasad-MSFT 6,671 Reputation points Microsoft Vendor

2024-08-07T12:12:33.31+00:00

According to latest update from engineering team, you can start using teams web to create Incoming Webhook & RSS connectors. However, the fix for Teams Desktop client is under investigation.
Mads AA 0 Reputation points

2024-08-21T06:28:24.7466667+00:00

At this point it is not something to base any new projects on, as it is being phased out.

Source: https://devblogs.microsoft.com/microsoft365dev/retirement-of-office-365-connectors-within-microsoft-teams/

Accepted answer

Prasad-MSFT 6,671 Reputation points Microsoft Vendor

2024-07-16T05:52:29.55+00:00

We checked this from our side by creating a new incoming webhook and are able to create successfully.

Tested in Microsoft Teams version 24187.501.2981.3768. The client version is 49/24053101421.

FYI, O365 connectors within Teams will be deprecated and notifications from this service will stop. Learn more about the timing and how the Workflows app provides a more flexible and secure experience. If you want to continue receiving these types of messages, you can use a workflow to post messages from a webhook request. Set up workflow
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1 person found this answer helpful.
Claudio_B 15 Reputation points

2024-07-18T14:49:15.89+00:00

I have the same problem and can reproduce it on different machines with different clients (web vs native) and two different tenants/organizations.

Do you have any suggestions?

Firdouse Begum MEHATHAR 0 Reputation points

2024-07-22T06:26:20.34+00:00

We are still facing the issue, even after trying multiple solutions.
Cache and reinstalling nothing helped. The blank screen or loading for a long time persists with Incoming webhooks. And not even able to copy the configured URL.

Laurent Bouriez 5 Reputation points

2024-07-22T15:06:47.6133333+00:00

Facing the same issue, how can this be an official answer from Microsoft ???

Josef Rainer 0 Reputation points

2024-07-22T15:56:50.8566667+00:00

I also have this problem for last few days

Mads AA 0 Reputation points

2024-07-23T09:22:28.6233333+00:00

I've been having the same issue for a week now.

Teams version: 24165.1414.2987.41
Client version: 49/24061318413.

Mads AA 0 Reputation points

2024-07-23T09:23:55.0466667+00:00

.....

Dieter Loskarn 0 Reputation points

2024-07-25T11:47:28.3333333+00:00

Same issue here, different client versions as well as the web-client.

Kelvin Shee 30 Reputation points

2024-07-29T00:25:40.3033333+00:00

no solution from microsoft ?

Aymen E 15 Reputation points

2024-07-29T09:34:21.4+00:00

Why is this the accepted answer ? @Dennis B_

This does not provide any solution, only "it works for us, so it should work for you".

Prasad-MSFT 6,671 Reputation points Microsoft Vendor

2024-07-30T04:51:11.5433333+00:00

Claudio_B, Firdouse Begum MEHATHAR, Laurent Bouriez, Josef Rainer Mads AA, Dieter Loskarn Kelvin Shee could you please share your respective tenant Ids where you are facing this issue, so that we can share those details with engineering team to fix?

Prasad-MSFT 6,671 Reputation points Microsoft Vendor

2024-07-30T04:56:48.73+00:00

Update:
O365 Connectors Substrate team is aware of this issue and there is an ICM raised to fix this. Once this is fixed, we will notify you in this thread. Thanks!

Please do share your respective Tenant Ids

Hercule BOINA HADJI 0 Reputation points

2024-08-01T08:12:34.7166667+00:00

Same issue, cant create a connector

Tin Tupek 0 Reputation points

2024-08-02T13:45:51.4+00:00

Any update on this fix.

Ryohei SUZUKI 0 Reputation points

2024-08-04T12:17:52.33+00:00

same issue

Prasad-MSFT 6,671 Reputation points Microsoft Vendor

2024-08-07T12:12:52.3133333+00:00

According to latest update from engineering team, you can start using teams web to create Incoming Webhook & RSS connectors. However, the fix for Teams Desktop client is under investigation.

Johanne Ulrica Øveraasen 0 Reputation points

2024-08-22T12:23:12.73+00:00

I still have the same issue

Teams version: 24215.1005.3072.3011.

Client version: 49/24080212008.
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17 additional answers

Olesja 5 Reputation points

2024-07-22T13:06:13.28+00:00

We have the same issue:

When I hit "add" on the incoming webhook, I just get a blank page, sometimes there is also a message (dependng on the browser) "login.microsoftonline.com hat eine Verbindung verweigert"

I also need this feature.
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1 person found this answer helpful.
Prasad-MSFT 6,671 Reputation points Microsoft Vendor

2024-07-30T04:53:40.08+00:00

could you please share your tenant Id where you are facing this issue, so that we can share those details with engineering team to fix?
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Laurent Bouriez 5 Reputation points

2024-07-22T15:05:46.47+00:00

Hello, we are having the same issue
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1 person found this answer helpful.
Prasad-MSFT 6,671 Reputation points Microsoft Vendor

2024-07-30T04:53:46.55+00:00

could you please share your tenant Id where you are facing this issue, so that we can share those details with engineering team to fix?
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Kelvin Shee 30 Reputation points

2024-07-24T07:22:45.3766667+00:00

Microsoft Teams version 24165.1414.2987.41.

The client version is 49/24061318413.

Hello, we are having the same issue

black screen when add webhook.
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1 person found this answer helpful.
Prasad-MSFT 6,671 Reputation points Microsoft Vendor

2024-07-30T04:54:00.0733333+00:00

could you please share your tenant Id where you are facing this issue, so that we can share those details with engineering team to fix?
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Robin Sheng-MSFT 2,650 Reputation points Microsoft Vendor

2024-07-16T02:13:40.33+00:00
Hi @Dennis B_

According to your case description, you encountered a server error 500 when adding an incoming webhook to a Microsoft Teams channel.

Teams tag is mainly focused on the general issue of Microsoft Teams troubleshooting. According to your description, your question is not in our support scope. The following suggestion is for your reference:

Check the webhook URL: Make sure that the webhook URL you entered is correct and valid. If the URL is incorrect, it may cause a server error.

Check permissions and network connection: Make sure that you have sufficient permissions to add a webhook to a Teams channel and that your network connection is normal. Sometimes network problems or permission restrictions may cause server errors.

Retry the operation: If the problem persists, try to add the webhook again. Sometimes server errors may be temporary, and retrying may solve the problem.

If you still encounter problems, you can check Microsoft's official documentation for more details on creating incoming webhooks.

If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".

Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.
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Dennis B_ 90 Reputation points

2024-07-16T05:56:21.2233333+00:00

Thank you. I will ditch the idea of adding an incoming webhook and go the worklflow way.

Rene Platt 10 Reputation points

2024-08-02T14:49:42.4533333+00:00

Useless. Many different people here report that everything worked fine before and now has been broken. And no one cares.

Tin Tupek 0 Reputation points

2024-08-06T07:15:46.4166667+00:00

Useless, more so because this thread is filled with users that are getting blank page following these exact instructions....

Prasad-MSFT 6,671 Reputation points Microsoft Vendor

2024-08-07T12:13:53.46+00:00

According to latest update from engineering team, you can start using teams web to create Incoming Webhook & RSS connectors. However, the fix for Teams Desktop client is under investigation.
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I cannot add an incoming webhook to ms teams channel

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