Hi, We have outlook add-in deployed via centralized deployment in "Microsoft 365 admin center > Settings. > IntegratedApps". For some time it was there and it worked. We went to update manifest file, this update didn't take any effect. Then we deleted add-in app and tried to install again, it says deployment fail. 3 . Tried to deploy in another way via "Adminportal/Home/#/Settings/AddIns" and got: This operation was unsuccessful - reasons may include: (3ec53d9a-1ac1-46d9-9646-6b106f0a2c79) This is blocking us , seriously, any help with this is much appreciated.Thank you in advance.Best Regards, Ante

Hi @ Ante Kotarac , Thank you for posting to Microsoft Community. Based on your description, I understand you got an error message about eligibility requirements when you deployed add-in. It could be the eligibility requirements have been changed in your environment for some reason. Therefore, please kindly double check the requirements as links below. Determine if Centralized Deployment of add-ins works for your organization - Microsoft 365 admin | Microsoft Learn Also, please refer to steps of Deploy add-ins in the admin center - Microsoft 365 admin | Microsoft Learn to check if there are anything missing. Hope it helps and if there is anything else I could help with, please let me know.

It looks like there is an advisory for this issue in the office portal - its MO801142 "Admins may be unable to use certain add-ins from the Microsoft 365 admin center using centralized deployment"Incidentally, this morning I can refresh the add-in from the store without getting the error.

We are experiencing the same with deployment of the KnowBe4 hybrid PAB. Has anyone found any resolution?

We have exactly the same issue. Everything was working fine. Then we push an update, and then failed. We remove and try to reinstall the addin witout any success. Any news on that issue ?

Office add-in deployment within integrated apps: eligibility error with the Centralized Deployment

Ante Kotarac 40

Hi,

We have outlook add-in deployed via centralized deployment in

"Microsoft 365 admin center > Settings. > IntegratedApps". For some time it was there and it worked.

We went to update manifest file, this update didn't take any effect.
Then we deleted add-in app and tried to install again, it says deployment fail.

3 . Tried to deploy in another way via "Adminportal/Home/#/Settings/AddIns" and got:

This operation was unsuccessful - reasons may include:

 (3ec53d9a-1ac1-46d9-9646-6b106f0a2c79)

ERROR-SCR

This is blocking us, seriously, any help with this is much appreciated.Thank you in advance.Best Regards, Ante

4 answers

Noah Ma-MSFT 2,725 Reputation points Microsoft Vendor

2024-06-06T09:23:58.3766667+00:00

Hi @Ante Kotarac,

Thank you for posting to Microsoft Community.

Based on your description, I understand you got an error message about eligibility requirements when you deployed add-in.

It could be the eligibility requirements have been changed in your environment for some reason.

Therefore, please kindly double check the requirements as links below.

Determine if Centralized Deployment of add-ins works for your organization - Microsoft 365 admin | Microsoft Learn

Also, please refer to steps of Deploy add-ins in the admin center - Microsoft 365 admin | Microsoft Learn to check if there are anything missing.

Hope it helps and if there is anything else I could help with, please let me know.
Please sign in to rate this answer.
Ante Kotarac 40 Reputation points

2024-06-06T13:12:42.3133333+00:00

Hi,

as far I'm aware nothing changed from our side, from Microsoft side I don't know what to expect.

I tried O365CompatibilityChecker tool and it is not working for me, it is not able to login in with 10 different credentials for some reason.

Best Regards, Ante

Noah Ma-MSFT 2,725 Reputation points Microsoft Vendor

2024-06-11T09:56:51.39+00:00

Hi,

As you mentioned, I have tested it in my environment, and it could be added successfully.

It is recommended that you double check the requirements if some of the conditions have changed.

Requirements for running Office Add-ins - Office Add-ins | Microsoft Learn.

If the issue still exists, please consider opening a service request in M365 since it could be the backend issue.

Ante Kotarac 40 Reputation points

2024-06-13T08:36:12.2366667+00:00

Hi,

Thank you, I created trial subscription and tried there, it worked for new subscription without any problems, one thing is still not working, manifest with appointment event is not able to activate add-in in appointment.

But for our current subscription we use for test and development it is not working.

So probably something went wrong for our test account.

Question is what.

Best Regards, Ante

Noah Ma-MSFT 2,725 Reputation points Microsoft Vendor

2024-06-14T03:05:55.8133333+00:00

As you said, the issue is only with the test account, and it works with the new subscription.

Please open a service request in M365 since it could be the backend issue and they will investigate further, for they have resources to check in the back end if need be. Your kind understanding is highly appreciated. Thank you for your cooperation.

Wasatch IT 20 Reputation points

2024-06-20T20:38:10.4733333+00:00

I am having the exact same problem deploying the KnowBe4 Phishing Alert Button but we have not been able to deploy in the first place, it has never worked.
We've used the correct Admin accounts with permissions and licenses, we cannot check compatibility as we cannot log into the checker either though the article says that the checker doesn't apply to Outlook addins.
It fails for multiple users, single users, groups, even the Global Admin account that we are logged in with.
Is there more to the permissions that do not allow this in a Centralized Deployment?

Fern Ritchie 5 Reputation points

2024-06-26T10:12:51.9+00:00

I'm having the same issue deploying the KnowBe4 Phish alert button, I have raised a request with Microsoft this morning about it as our users are all Premium license and I've never had this issue before with other tenants. If Microsoft figure it out I'll post here.

Brian Bohanna 5 Reputation points

2024-06-26T17:15:46+00:00

Same issue here, KnowBe4 and frankly any other add-in from the "store" doesn't work, same error every time. Checked on 3 different tenants and get the same error.

Bryan Buck 5 Reputation points

2024-06-26T19:47:38.95+00:00

Same issue here with the KnowBe4 phish alert button and a few others that affect Outlook from the store.

Also cannot get the O365CompatibilityChecker tool to work.

Stephen Cooper 6 Reputation points

2024-06-26T20:07:12.4866667+00:00

We have a very similar sounding issue - its a different app (its the "Sharedo" app in our case) but the same experience, the same error. Tried it on two tenants with the same outcome - cant deploy it and receive the eligibility requirements error. Also, on the Compatibility Checker tool - I know its quite old, but that it only supports basic auth isn't really on. It either needs to be removed or updated.
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Stephen Cooper 6 Reputation points

2024-06-27T07:14:47.59+00:00

It looks like there is an advisory for this issue in the office portal - its MO801142 "Admins may be unable to use certain add-ins from the Microsoft 365 admin center using centralized deployment"Incidentally, this morning I can refresh the add-in from the store without getting the error.
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Stephanie Beighley 0 Reputation points

2025-01-07T17:22:34.81+00:00

We are experiencing the same with deployment of the KnowBe4 hybrid PAB. Has anyone found any resolution?
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Cédric Boivin 0 Reputation points

2025-01-13T20:21:42.29+00:00

We have exactly the same issue. Everything was working fine. Then we push an update, and then failed. We remove and try to reinstall the addin witout any success.

Any news on that issue ?
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Office add-in deployment within integrated apps: eligibility error with the Centralized Deployment

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