realistically they should be calling it Office 340-ish. On Wed, 11 Oct 2023 at 21:06, Shane Chrisp <sh...@2000cn.com.au> wrote:
> Just for those who may be wondering what the issue is. This is from > Microsoft. > > > 11 October 2023 at 12:22 pm AWST > > Title: Users are unable to receive external email messages within Exchange > Online User impact: Users are unable to receive external email messages > within Exchange Online. Current status: We're investigating a potential > issue and checking for impact to your organization. We'll provide an update > within 30 minutes. > > 11 October 2023 at 12:52 pm AWST > > Title: Users are unable to receive external email messages within Exchange > Online User impact: Users are unable to receive external email messages > within Exchange Online. Current status: We're currently reviewing simple > messages to refine our understanding of this specific impact scenario and > establish our troubleshooting steps. Scope of impact: Your organization is > impacted by this event, as well as users who are attempting to receive > external email messages within Exchange Online. Next update by: Wednesday, > October 11, 2023 at 2:30 PM GMT+8 > > 11 October 2023 at 2:33 pm AWST > > Title: Users are unable to receive external email messages within Exchange > Online User impact: Users are unable to receive external email messages > within Exchange Online. More info: Some users email messages may send; > however, users may experience delays up to one hour. Current status: Our > review of simple messages has lead us to a potential root cause where a > portion of SQL infrastructure may be receiving an unusually large number of > requests that may be hindering Exchange Online's performance. We're working > to confirm our findings to cultivate further troubleshooting steps. Scope > of impact: Your organization is impacted by this event, as well as users > who are attempting to receive external email messages within Exchange > Online. Next update by: Wednesday, October 11, 2023 at 4:30 PM GMT+8 > > 11 October 2023 at 4:59 pm AWST > > Title: Some users may encounter delays receiving external email messages > in Exchange Online User impact: Users may encounter delays receiving > external email messages in Exchange Online. More info: Affected users may > see a "451 4.7.500 Server busy" error message. Current status: We’re > analyzing sample throttling IPs from simple messages to confirm whether the > issue with the portion of SQL infrastructure is causing impact, before we > begin formulating a remediation plan. Scope of impact: Impact is specific > to some users who are served through the affected infrastructure. Next > update by: Wednesday, October 11, 2023 at 7:00 PM GMT+8 > > 11 October 2023 at 6:26 pm AWST > > Title: Some users may encounter delays receiving external email messages > in Exchange Online User impact: Users may encounter delays receiving > external email messages in Exchange Online. More info: Affected users may > see a "451 4.7.500 Server busy" error message. Current status: We’ve > identified that specific IP addresses are being unexpectedly limited by our > anti-spam procedures, causing inbound external email delivery to become > throttled and delayed. We're reviewing if there have been any recent > changes to our anti-spam rules to understand why the IP addresses are being > limited. In the meantime, we're manually adding reported affected IP > addresses to an allowed list to provide immediate relief. Scope of impact: > Impact is specific to some users who are served through the affected > infrastructure. Next update by: Wednesday, October 11, 2023 at 8:30 PM GMT+8 > > Regards > > Shane > > > On 11/10/23 12:28, Max Parsons wrote: > > Thanks for the reply Max. Its always good to know that its not just you. > Hopefully they get it resolved soon. > > -- > Regards > > Shane Chrisp > 2000 Computers & Networks Pty Ltd > U8, 19 Outram St, West Perth, WA 6005 > Ph 08 6298 7391 Fx 08 6298 7393 > Mb 0412 409 856 > Email sh...@2000cn.com.au > Web http://www.2000cn.com.au > > > > We are also seeing this. Support let us know there were some issues with > emails from the Barracuda cloud, but we are on-prem. > > 451 4.7.500 Server busy. Please try again later from [103.21.17.178]. > (S77714) [ME3AUS01FT022.eop-AUS01.prod.protection.outlook.com > 2023-10-11T04:06:47.950Z > > The queue is over 4000 emails at the moment. > > - Max > > On Wed, 11 Oct 2023 at 15:24, Shane Chrisp <sh...@2000cn.com.au> wrote: > >> Hi All, >> >> Just wondering if others are seeing issues with email for delivery to >> Outlook 365 queuing up with "4.7.500 Server busy. Please try again >> later" messages? >> >> Our mail queue has been getting progressively larger since about 10am >> WAST today and of course the MS outage site shows no issues, though some of >> the down detector sites how others seem to be having issues. >> >> -- >> Regards >> >> Shane Chrisp >> 2000 Computers & Networks Pty Ltd >> U8, 19 Outram St, West Perth, WA 6005 >> Ph 08 6298 7391 Fx 08 6298 7393 >> Mb 0412 409 856 >> Email sh...@2000cn.com.au >> Web http://www.2000cn.com.au >> >> _______________________________________________ >> AusNOG mailing list >> AusNOG@lists.ausnog.net >> https://lists.ausnog.net/mailman/listinfo/ausnog >> > > > _______________________________________________ > AusNOG mailing > listAusNOG@lists.ausnog.nethttps://lists.ausnog.net/mailman/listinfo/ausnog > > > -- > Regards > > Shane Chrisp > 2000 Computers & Networks Pty Ltd > U8, 19 Outram St, West Perth, WA 6005 > Ph 08 6298 7391 Fx 08 6298 7393 > Mb 0412 409 856 > Email sh...@2000cn.com.au > Web http://www.2000cn.com.au > > _______________________________________________ > AusNOG mailing list > AusNOG@lists.ausnog.net > https://lists.ausnog.net/mailman/listinfo/ausnog >
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