Certificate Renewal Fails for Big Blue Button Type Unauthorized Invalid Response from Well-Known Acme Challenge
When setting up BBB, you have the option of using an HTTP or DNS challenge to verify domain ownership with […]
After Update to Nextcloud Draw.IO Drawings do not Open
After upgrading Nextcloud your DrawIO drawings may not open properly. Your drawings may look like this: The DrawIO […]
Univention NextCloud OnlyOffice not Working Cannot Create New Documents
If you recently installed Onlyoffice on Nextcloud and you cannot create or view documents, there may be one or two […]
Open Exchange OX Mail Error: Recipient address rejected: User unknown in virtual mailbox table
Error after updating OX Mail in Univention UCS. This happened to us after updating both UCS and OX mail. “Recipient […]
Univention Corporate Server Migrating to a Different Subnet
Migrating UCS servers to a different subnet can seem a bit intimidating, but it’s actually quite easy. We recently migrated […]