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Merged
bill-long merged 1 commit into from
Mar 10, 2022
Merged

service host crash issue after installing March SU #929

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9 changes: 9 additions & 0 deletions docs/Emerging-Issues.md
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This page lists emerging issues for Exchange On-Premises deployments, possible root cause and solution/workaround to fix the issues. The page will be consistently updated with new issues found and reflect current status of the issues mentioned.

**Updated on 3/10/2022**

**Issue** |**Possible reason**| **Workaround/Solution**
|-|:----| :----|
| After installing [March 2022 Security Update For Exchange Server 2013, 2016, 2019](https://techcommunity.microsoft.com/t5/exchange-team-blog/released-march-2022-exchange-server-security-updates/ba-p/3247586), the Microsoft Exchange Service Host service may crash repeatedly with Event ID 7031 in system log and Event ID 4999 in application log. <BR><BR> Event ID 4999 <BR> Watson report about to be sent for process id: 4564, with parameters: E12IIS, c-RTL-AMD64, 15.01.2375.024, M.Exchange.ServiceHost, M.Exchange.Diagnostics, M.E.D.ChainedSerializationBinder.LoadType, M.E.Diagnostics.BlockedDeserializeTypeException, c0e9-dumptidset, 15.01.2375.024.| The issue can occur if there are any expired certificates present on or any certificates nearing expiry on the server| • Replace any expired certificate on the system <BR> • Renew any certificate that expires in <= 30 days|

<BR><BR><BR>
**Old issues**

## [Email Stuck in Transport Queues](https://techcommunity.microsoft.com/t5/exchange-team-blog/email-stuck-in-transport-queues/ba-p/3049447)
**Issue** | **Possible reason** | **Workaround/Solution**
-|-|-
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