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MAILMBXSTATE - Mailbox Session Interrupted During Sync

This error usually resolves on its own; follow this page to confirm ServiceOps reconnects and to reduce how often it recurs.

MAILMBXSTATE appears when the mail server closes an active connection while ServiceOps is in the middle of syncing the mailbox. ServiceOps detects this and reconnects automatically on the next polling cycle. Use this page to confirm the connection recovers and to reduce how often the interruption occurs.

Error CodeMAILMBXSTATE
Error MessageThe mailbox session was interrupted. The server closed the connection during an active sync.
SeverityMedium
AffectsIncoming Email Servers

Symptoms

Look for this sign to confirm this error is active.

  • Email sync stops partway through and the connection is reported as closed by the server.

Root Cause

One of these conditions caused the session to be interrupted.

  • The mail server closed the connection while ServiceOps was actively syncing.
  • This can happen due to a server-side timeout, or another application accessing the same mailbox at the same time.

Resolution

Follow these steps if the error recurs after automatic reconnection.

  1. You don't need to take action right now. ServiceOps reconnects and retries automatically on the next polling cycle.
  2. If this error occurs frequently, check whether another application is connected to the same mailbox simultaneously. Limiting the mailbox to a single connection reduces session interruptions.
Related FAQs

See Email Server FAQs for: "Why is the incoming email server not fetching any emails?"