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Hybrid Update Agent download fails
Hi there, last Friday I was successfully able to execute the HCW with the full classic deployment. As we had some sharing issues we tried the full modern as well. But we were able to execute the H...
woelki we've just released a new HCW build. Please give it a try.
I wanted to make this topic a bit more visible so I collected some information.
Problem Description
- Error: 504 Gateway Timeout during the Hybrid Agent download step (MSHybridService.msi).
- Affected HCW Version: 17.1.3891.0 (Updated over the weekend).
- Affected Exchange Version: Exchange Server 2016 CU23 and 2019 CU15
Technical Details & Diagnosis Performed
The error is reported in the log as follows:
*ERROR* [...] System.Net.Http.HttpRequestException: Der Antwortstatuscode gibt keinen Erfolg an: 504 (Gateway Timeout).
*ERROR* [...] Unable to ping Highlands service
What we have ruled out (Tests confirmed successful):
- Network/Proxy: The error occurs in both the corporate network and private test environments.
- TLS/Crypto: TLS 1.2 registry entries are correctly configured and utilized by the .NET Framework.
- Target Reachability: A direct .NET PowerShell test from the server to the download URL returns Status 200 (OK):
Invoke-WebRequest -Uri "https://hybridconfigwizard.azurewebsites.net/MSHybridService.msi" -Method Head
# -> Result: Status 200