AzureCosmosDbEmulator Checksum verification failed

[mayeu20]

Description

When building a new image version in every windows version the AzureCosmosDbEmulator installation will fail because of a signature thumbprint mismatch. Please add the new and correct thumbprint.

Provisioning with powershell script: C:/a/1/s/runner-images/images/windows/templates/../scripts/build/Install-AzureCosmosDbEmulator.ps1
Downloading package from https://aka.ms/cosmosdb-emulator to D:\temp\bzd5vuan.msi...
Package downloaded in 12.06 seconds
Checksum verification failed: expected E2BEB2B242FEE3C1DD444C748C1ED1DC0120566ADC0A7BC612EB8EFB8D416089, got BFBA892C3B9E27093A6AA36CD3C447D812CA32D6A4361DB64E753A63C90C2766
At C:\Program Files\WindowsPowerShell\Modules\ImageHelpers\InstallHelpers.ps1:965 char:9
 +         throw "Checksum verification failed: expected $expectedHash,  ...
 +         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 + CategoryInfo          : OperationStopped: (Checksum verifi...E753A63C90C2766:String) [], RuntimeException
 + FullyQualifiedErrorId : Checksum verification failed: expected E2BEB2B242FEE3C1DD444C748C1ED1DC0120566ADC0A7BC612EB8EFB8D416089, got BFBA892C3B9E27093A6AA36CD3C447D812CA32D6A4361DB64E753A63C90C2766

Platforms affected

• Azure DevOps
• GitHub Actions - Standard Runners
• GitHub Actions - Larger Runners

Runner images affected

• Ubuntu 22.04
• Ubuntu 24.04
• macOS 13
• macOS 13 Arm64
• macOS 14
• macOS 14 Arm64
• macOS 15
• macOS 15 Arm64
• Windows Server 2019
• Windows Server 2022
• Windows Server 2025

Image version and build link

.

Is it regression?

no

Expected behavior

Signature matches and installation continues.

Actual behavior

Signature mismatches and installation and image builds fail.

Repro steps

Step 1. Pull the main branch
Step 2. Build a image with the latest version of either a windows or linux os of your choice eg windows2022
Step 3. Failure will occur at the Install-AzureCosmosDbEmulator.ps1 installation step

[akilesh-amaran]

Hi @mayeu20 , Thank you for bringing this issue to our attention. We will look into this issue and will update you after investigating.


[Fazer01]

We can relate to this issue as we are facing the same checksum error.
A fix would be appreciated :)

[akilesh-amaran]

Changes are done , Kindly sync your repo