The issue is new???
On May 24, 2023, at 10:18 AM, Tomasz Zielinski via Broadcom <
mail@broadcom.com> wrote:
Description of pacet capture is from Case 33390143. Exchange and VM are in VLAN, same site maybe sometimes different host. But from OWA mails are... -posted to the "Messaging Gateway" community <https: community.broadcom.com=""> Messaging Gateway <https: community.broadcom.com/symantecenterprise/communities/community-home/digestviewer?communitykey="bba1e9dc-0c56-4fb5-9e3d-ef7f0d79b7ee"> Post New Message <
broadcom-messaginggateway@connectedcommunity.org> Re: Errors when sending email via SMG from Exchange <https: community.broadcom.com/symantecenterprise/discussion/errors-when-sending-email-via-smg-from-exchange#bm7a5d48ce-a4de-4d38-afbe-01884e1ab3b1=""> Reply to Group <
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Description of pacet capture is from Case 33390143. Exchange and VM are in VLAN, same site maybe sometimes different host. But from OWA mails are working. From transport service logs i se that certificate negotiation using tls 1.2 is succeded
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Original Message:
Sent: May 24, 2023 09:41 AM
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Original Message:
Sent: 5/24/2023 10:19:00 AM
From: Tomasz Zielinski
Subject: RE: Errors when sending email via SMG from Exchange
Description of pacet capture is from Case 33390143. Exchange and VM are in VLAN, same site maybe sometimes different host. But from OWA mails are working. From transport service logs i se that certificate negotiation using tls 1.2 is succeded
Original Message:
Sent: May 24, 2023 09:41 AM
From: Art_P
Subject: Errors when sending email via SMG from Exchange
Sounds like something might be between SMG and Exchange that should be looked at. the "Abort message (message timed out)" specifically means that the Messaging Gateway was communicating with the other server but the network connection was lost (not due to direct action from SMG). Your description of the packet capture lacked context, but in general you said that SMG sent an ACK (meaning it acknowledged Exchanges previous packet) and would generally then be waiting for Exchange's next packet, which never arrived - ending in time out.
Your Exchange logs seem to indicate that Exchange thought SMG stopped responding. Thus, most likely culprit is something in between.
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Support Engineer
* Integrated Cyber Defense Exchange
* Messaging Gateway
* Packet Shaper
Symantec Enterprise Division
Broadcom Software