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woelki's avatar
woelki
Iron Contributor
Nov 17, 2025
Solved

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...
exchange online
hybrid
office 365
  • LukasSMSFT's avatar
    LukasSMSFT
    Nov 19, 2025

    woelki​ we've just released a new HCW build. Please give it a try.

MeierJ's avatar
MeierJ
Copper Contributor
Nov 18, 2025

I have a snip from my log:

 

2025.11.18 11:55:16.276         10439 [Client=UX, fn=.ctor, Thread=30] Downloading https://hybridconfiguration.blob.core.windows.net/connector/MSHybridAutoUpdater.msi
2025.11.18 11:55:16.467 *ERROR* 10318 [Client=UX, fn=.ctor, Thread=19] 
                                      System.Net.WebException: The remote server returned an error: (409) Conflict.
                                         at System.Net.HttpWebRequest.EndGetResponse(IAsyncResult asyncResult)
                                         at System.Threading.Tasks.TaskFactory`1.FromAsyncCoreLogic(IAsyncResult iar, Func`2 endFunction, Action`1 endAction, Task`1 promise, Boolean requiresSynchronization)
                                      --- End of stack trace from previous location where exception was thrown ---
                                         at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
                                         at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
                                         at Microsoft.Online.CSE.Hybrid.Host.Environment.NetServices.<DownloadFileIfNewerAsync>d__9.MoveNext()
2025.11.18 11:55:16.501 *ERROR* 10318 [Client=UX, fn=.ctor, Thread=19] WebException: HResult=80131509 Status=ProtocolError
2025.11.18 11:55:16.527         10341 [Client=UX, Page=HybridConnectorInstall, Step=DownloadUpdaterAgent, Thread=30] FINISH Time=290,0ms Results=Failed Content Not Found

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