Mobile device has been denied access to the server because of server access policies.

Question

Mobile device has been denied access to the server because of server access policies.

Khushboo Kumari 107

Hi,

I not able to understand how to resolve mobile device has been denied access to the server because of access policy. As I am new in Exchange admin center and I have no idea where I can see the blocked devices in new Exchange admin center(EAC). can you please tell me where I can see the blocked devices ? And how can I resolve multiple devices at a time through scripts ?

Jame Xu-MSFT 4,191 Reputation points

2022-10-14T01:55:09.567+00:00

Hi, I'm here to confirm with you if your issue has been resolved. If the problem is successfully solved, you can share your solution and mark them or the helpful reply as answer, this will make answer searching in the forum easier and be beneficial to other community members as well.
Jame Xu-MSFT 4,191 Reputation points

2022-10-28T08:50:59.287+00:00

Hi, I'm here to confirm that is there any progress with the issue? If the reply helps, you could mark it as an answer to close the thread, thank you!

1 answer

Your answer

Jame Xu-MSFT 4,191 Reputation points

2022-10-14T01:55:09.567+00:00

Hi, I'm here to confirm with you if your issue has been resolved. If the problem is successfully solved, you can share your solution and mark them or the helpful reply as answer, this will make answer searching in the forum easier and be beneficial to other community members as well.
Jame Xu-MSFT 4,191 Reputation points

2022-10-28T08:50:59.287+00:00

Hi, I'm here to confirm that is there any progress with the issue? If the reply helps, you could mark it as an answer to close the thread, thank you!

Answer 1

Vasil Michev 119.7K MVP Volunteer Moderator

The new EAC does not currently expose mobile devices, so you have to switch to the "classic" EAC: https://outlook.office365.com/ecp/?p=ActiveSyncAccess&form=eac
Therein, you will see a list of quarantined devices, and you can change the default policy. As for bulk actions, as usual you need to rely on PowerShell. In this case, the Set-CASMailbox and the -ActiveSyncBlockedDeviceIDs/-ActiveSyncAllowedDeviceIDs paramteres.

Khushboo Kumari 107 Reputation points

2022-10-13T16:01:36.597+00:00

Thanks for the quick response.

I have one more doubt, will the blocked devices be visible under the quarantined device in EAC? and if we want manually blocked the device how can we do it?
Vasil Michev 119.7K Reputation points MVP Volunteer Moderator

2022-10-13T16:19:17.4+00:00

No, the EAC only lists quarantined devices. You can block individual devices by opening the corresponding mailbox settings and using the controls therein (again only in the "classic" EAC).
Khushboo Kumari 107 Reputation points

2022-10-14T04:27:27.717+00:00

ok, thank you for the response.

So, in the new EAC we cannot see list of all the blocked devices anywhere?
Vasil Michev 119.7K Reputation points MVP Volunteer Moderator

2022-10-14T05:16:37.393+00:00

Not yet, that part of the portal is still work in progress.

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Mobile device has been denied access to the server because of server access policies.

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