Mdaemon Dmci < Essential >

: It synchronizes more than just email. Users can share calendars , contacts , tasks , and notes across the organization.

| 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

While "DMCI" often refers to , a regional internet service provider that utilizes the MDaemon Email Server for its webmail infrastructure , "DMCI" also stands for the Data Monitoring and Control Interface in technical configurations. : It synchronizes more than just email

Note: Since DMCI is a legacy term, newer MDaemon documentation may refer to it as the "MDaemon Connector" or part of "MDaemon's Outlook connectivity suite." For current technical details, refer to the official MDaemon Technologies knowledge base. | | Outlook crashes when opening calendar |