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Cisco Bug: CSCsz30418 - CUC 7.0 SMTP Server Settings Set Too Low Can Break Digital Networking

Last Modified

Feb 22, 2014

Products (2)

  • Cisco Unity Connection
  • Cisco Unity Connection Version 7.0

Known Affected Releases

7.0(1)

Description (partial)

Symptom:

Administrators of Unity Connect 7.x can configure SMTP server values lower than minimum thresholds needed for Digital Networking Replication activity.

Errors Include:
Alarm Message:
%CCM_UNKNOWN-UCEVNT-3-EvtReplicatorStalledSendReplication: Detected stalled replication sending to location cucserver01.  Waiting for acknowledgment of USN 1.  This situation may indicate network connectivity problems. App ID:CuReplicator Cluster ID: Node ID:cucserver02

Error Related to SMTP 'Limit Size of Message'

04/21/2009 15:46:20.371 |10764,,,SMTP,12,Thread=SmtpClient-Delivery-2;
class=com.cisco.unity.smtp.client.CsUnitySmtpC_MsgDelivery;Message
Delivery Status=Error in Delivery. No retry will done. Ignoring delivery error for replication message. Server Reply=5.3.4 Message too big for system Host Name=10.10.10.1 Message ID=<22949069.1240343180136.JavaMail.cureplicator@cucserver02>|


Error Related to SMTP 'Limit Messages Accepted per SMTP Session'

04/21/2009 16:21:20.496 |10765,,,SMTP,12,Thread=SmtpClient-Delivery-3;
class=com.cisco.unity.smtp.client.CsUnitySmtpC_MsgDelivery;Message
Delivery Status=Error in Delivery. No retry will done. Ignoring delivery error for replication message. Server Reply=5.3.4 Message too big for system Host Name=10.10.10.1 Message ID=<6829563.1240345280388.JavaMail.cureplicator@cucserver01>|
04/21/2009 16:22:03.935 |15156,,,SMTP,12,Thread=Thread-SmtpSvr-5;
class=com.cisco.unity.smtp.CsUnitySmtpSession;Maximum allowed messages have already been received in the SMTP Session. Quitting..|

Conditions:

CUC Administrator > SMTP Configuration > Server
Limit Size of Message (default is 10000 kilobytes)
Limit Messages Accepted per SMTP Session (default is 10)

If these vaules are lowered to 1 and 1, respectively, Digital Networking SMTP replication will fail.
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