Hello again,

deactivating and activating users is only a temporary solution..
After some time it's the same again: "warning no possible subscription".

Some users are affected significantly more often, but I couldn't identify a pattern.

Greetings, Felix

On 11/27/2025 10:30 AM, Felix Oberst ([email protected]) wrote:

Hello,

I can confirm the bug but found a solution:

- Login with admin account

- edit the users mailbox in https://XXX.com/admin/mailbox

*- set the users account to "inactive"*

*- set the users account to active again*

-> you can subscribe users calendars again (if they are shared of course)


A full profile of the user reset didn't work. Only deactivating and activating is the solution.


Greetings, Felix



On 11/18/2025 2:36 PM, Jürgen Breitlow ([email protected]) wrote:
Hello,

We are running a Mailcow/Sogo server (v. 5.12.3). When I try to subscribe to some calendars I get "no possible subscription". When I push the subscription from the other side it works. So it does not seem to be a access rights problem. Any ideas?

Thanks
Jürgen

--
Felix Oberst
IT
+49 391 544 563 2080

Thorsis Technologies GmbH
Oststr. 18
39114 Magdeburg

T+49 391 544 563 1000
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