: Includes shared calendars, contacts, tasks, and notes accessible via MDaemon Webmail or third-party clients like Microsoft Outlook.
| Symptom | Likely Cause | Solution | | :--- | :--- | :--- | | “Cannot connect to DMCI server” | Firewall blocking port 1435 | Open port on Windows Firewall and any hardware firewall. | | Outlook crashes when opening calendar | Corrupt DMCI profile | Create a new Outlook profile and reconfigure DMCI. | | GAL not updating | Sync interval too long | Force sync via DMCI → Synchronize → Global Address Book . | | Meeting requests stuck in Outbox | Permissions issue | Re-request permissions on the target calendar in MDaemon WebAdmin. | | High CPU on MDaemon server | Too many concurrent DMCI sessions | Reduce “Maximum DMCI connections” per user. | | Offline folder errors (OAB) | Corrupt local OAB file | Delete %LocalAppData%\MDaemon DMCI\OAB and force re-download. | mdaemon dmci
Setting up the connector usually involves a few standardized steps: : Includes shared calendars, contacts, tasks, and notes
Unlike standard email protocols (IMAP, POP3, SMTP), DMCI is a high-performance, stateful protocol that provides true real-time collaboration features without requiring a full Microsoft Exchange deployment. | | GAL not updating | Sync interval
While many modern enterprises transition components to public clouds, DMCI retains a balanced framework. MDaemon serves alongside Microsoft Office 365, giving administrators the ability to manage specific data residency, legacy systems, and specialized local server routines locally. 2. Technical Features and Configuration Architecture