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Hash mismatch is reported for Exchange DLLs in the bin directory of Exchange Server 2019 and 2016

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Symptoms

In Microsoft Exchange Server 2019 or Exchange Server 2016, when you run the dir *exch*.* | Get-AuthenticodeSignature |?{$_.Status -eq "HashMismatch"} command in Exchange PowerShell (also known as the Exchange Management Shell), the following DLLS are returned with hash mismatch:
Microsoft.Exchange.Common.IL.dll
Microsoft.Exchange.Isam.Esebcli.dll
Microsoft.Exchange.Server.Storage.EsebackInterop.dll  

It’s expected that the DLLs should show Valid.

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Resolution

To fix this issue, install one of the following updates:

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References

Learn about the terminology that Microsoft uses to describe software updates.

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Keywords: CI105501, kbHotfixAuto, kbqfe, kbfix, kb, hash mismatch is reported for Exchange DLLs in bin directory

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Article Info
Article ID : 4515257
Revision : 10
Created on : 12/17/2019
Published on : 12/17/2019
Exists online : False
Views : 262