Exchange Delays

Incident Report for Zix | AppRiver

Postmortem

Exchange delays experienced on 04 March 2019 were the result of an inefficient route design that was discovered during preparations for a required datacenter migration. Working with the datacenter engineers, we were able to uncover a bad static route that was incorrectly directing traffic through the network. Once the route was identified and correctly routed, the network completely stabilized.

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Posted Mar 06, 2019 - 13:06 CST

Resolved

Last night, our engineers were able to isolate and successfully resolve the issue that was causing Exchange delays. After monitoring through the night, we are confident in the resolution and will post more on the Root Cause Analysis as soon as it has been completed.

Posted Mar 05, 2019 - 08:33 CST

Update

Queues have cleared and mail is currently flowing as expected. Our engineers are still working with the datacenter to further isolate the latency issue that has been occurring.

Posted Mar 04, 2019 - 14:25 CST

Update

We are working with our provider to rectify the issue that is causing Exchange delivery to be delayed. Queues are clearing out as a result of the increased throughput, but is still taking time to process. We’ll continue to update status as we work to a resolution.

Posted Mar 04, 2019 - 12:23 CST

Update

Over the past weekend, we worked in conjunction with one of our datacenter providers to update configurations required for maintenance. The complete maintenance process was delayed due to unforeseen circumstances and our Exchange service has experienced delays as a result. We have worked with our provider to increase the throughput to counteract any latency, and queue delays are decreasing accordingly - although we do expect possible delays to continue as the mail delivery queues continue to work through the backlog. We’ll post more on this issue in the next hour or so.

Posted Mar 04, 2019 - 10:47 CST

Identified

The issue that is impacting Exchange delays has been identified and we’re working on implementing a corrective action.

Posted Mar 04, 2019 - 09:24 CST

Investigating

Our team is currently investigating delays impacting Exchange, particularly with larger attachments.

Posted Mar 04, 2019 - 07:17 CST

This incident affected: Secure Hosted Exchange (Exchange 2013/2016+ (EXG7)).