Power Outage UPS went Full Stop now Mail Flow Issues

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Philip Elder

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May 15, 2024, 12:21:10 PM5/15/24
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We had an overnight unannounced power outage at a client site.

 

This site is mid-migration to current OS and Exchange 2019. Exchange 2019 is _not_ installed yet.

 

The VM is Exchange 2013.

 

There are two distinct symptoms:

  1. Mail sits in the incoming queue for anywhere up to about 20 minutes before being delivered
  2. OWA Send goes to Drafts – No Permission to Send is the error in OWA
  3. The HTTPS 444 certificate was unbound so I had to reseat that in IIS.

 

The server has been restarted with a successful shutdown and startup so the database is in a clean shutdown state.

 

Suggestions please?

 

Thanks,

 

Philip Elder MCTS

Senior Technical Architect

Microsoft High Availability MVP

E-mail: Phili...@mpecsinc.ca

Phone: +1 (780) 458-2028

Web: www.mpecsinc.com

Blog: blog.mpecsinc.com

Twitter: Twitter.com/MPECSInc

Skype: MPECSInc.

 

Please note: Although we may sometimes respond to email, text and phone calls instantly at all hours of the day, our regular business hours are 8:00 AM - 5:00 PM, Monday thru Friday.

 

Michael B. Smith

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May 15, 2024, 1:34:00 PM5/15/24
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Run the healthchecker. This sounds like a shadow storage queue issue, but the potential list of issues is long.

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Philip Elder

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May 15, 2024, 2:00:59 PM5/15/24
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Indeed and the source of the issue was found … it was DNS! :S

 

We’re in the process of migrating this site as mentioned. The DNS settings on the vNIC were still saddled between the old DCs and new DCs so whenever the server would poll the old DCs, which are deprecated, things would stall until the timeout was reached.

 

So, mea culpa. Fortunately, not something that would have required me to run a forklift recovery. *phew*

 

Philip Elder MCTS

Senior Technical Architect

Microsoft High Availability MVP

E-mail: Phili...@mpecsinc.ca

Phone: +1 (780) 458-2028

Web: www.mpecsinc.com

Blog: blog.mpecsinc.com

Twitter: Twitter.com/MPECSInc

Skype: MPECSInc.

 

Please note: Although we may sometimes respond to email, text and phone calls instantly at all hours of the day, our regular business hours are 8:00 AM - 5:00 PM, Monday thru Friday.

 

Kurt Buff

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May 15, 2024, 2:50:31 PM5/15/24
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Was it DNS Yogi?

It's always DNS BooBoo.

Kurt

Philip Elder

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May 15, 2024, 5:32:05 PM5/15/24
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Yeah, and my bad for not checking my work before we got cut-off migration wise. Accountants don’t like change during tax season. ;0)

 

Philip Elder MCTS

Senior Technical Architect

Microsoft High Availability MVP

E-mail: Phili...@mpecsinc.ca

Phone: +1 (780) 458-2028

Web: www.mpecsinc.com

Blog: blog.mpecsinc.com

Twitter: Twitter.com/MPECSInc

Skype: MPECSInc.

 

Please note: Although we may sometimes respond to email, text and phone calls instantly at all hours of the day, our regular business hours are 8:00 AM - 5:00 PM, Monday thru Friday.

 

Kurt Buff

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May 15, 2024, 7:16:37 PM5/15/24
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Accountants are not *quite* as bad as doctors, or so I hear...

Kurt

Philip Elder

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May 15, 2024, 7:21:26 PM5/15/24
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I like them because they know the value of our products and services. And that’s not a pun. It’s also why that’s our primary vertical.

 

I’ve done work for $800/Hour lawyers. Not worth it IMNSHO. Their clothes are worth more than my car.

 

Doctors? I’m not sure since we don’t do anything government related unless I know the folks we’ll be working with and don’t have to submit a tender (RFP).

 

Realtors are another category I prefer not to work with. But, that’s just personal preference due to bad experiences. Not all are that bad but I don’t want to risk it anymore.

Gabriel

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May 15, 2024, 10:47:38 PM5/15/24
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Hi Philip,

your two symptom show that exchange have some issue sending messages out or routing them to mailboxes
- check if the disk space in C drive has more than 10% free depending on the size of the disk space.
- keep an eye on the certificates and don't let them expire.
- check if everything is healthy by running each command:

Get-HealthReport -Server $env:COMPUTERNAME | where { $_.alertvalue -ne "Healthy" }
Test-ServiceHealth $env:computername
Test-MAPIConnectivity -Server $env:computername
Test-ReplicationHealth -Server $env:computername
Get-MailboxDatabaseCopyStatus -Server $env:computername | Sort Name | Select Name, Status, Contentindexstate
Get-DatabaseAvailabilityGroup | Select -ExpandProperty:Servers | Test-ReplicationHealth | Sort Name
Get-MailboxServer -Identity $env:computername | Select Name, DatabaseCopyAutoActivationPolicy
Get-ServerComponentState -Identity $env:computername | ft Component, State
Get-MailboxDatabaseCopyStatus | where { $_.ContentIndexState -eq "Failed" }

hope you will find the key of the issues. also check the event view for any new errors or warning. 


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