New Hybrid Configuration Wizard crashes with error code 0xe0434352

  • Article
  • Applies to:
    Exchange Online

Original KB number:   4014018

Symptoms

When you run a new Hybrid Configuration Wizard, it crashes and returns exception code 0xe0434352. The detailed event log resembles the following:

Log Name: Application
Source: Application
Error Date: DateTime
Event ID: 1000
Task Category: (100)
Level: Error
Keywords: Classic
User: N/A
Computer: Server.contoso.com
Description:
Faulting application name: Microsoft.Online.CSE.Hybrid.App.exe, version: 16.0.1539.7, time stamp: 0x5849b79b
Faulting module name: KERNELBASE.dll, version: 6.1.7601.23569, time stamp: 0x57f7c0b4
Exception code: 0xe0434352
Fault offset: 0x000000000001a06d
Faulting process id: 0xc6c Faulting application start time: 0x01d254e36c3b2b79
Faulting application path: C:\Users\server\AppData\Local\Apps\2.0\VZQBHRCH.9Y2\L5E826PT.VQO\micr..tion_c3bce3770c238a49_0010.0000_06b16895f88ffa1a\Microsoft.Online.CSE.Hybrid.App.exe
Faulting module path: C:\Windows\system32\KERNELBASE.dll
Report Id: 33604739-c0d7-11e6-a107-0050569c0d00

Cause

This issue occurs if the external Exchange Web Services (EWS) URL is not set on any Exchange server.

Resolution

To resolve this issue, set the external EWS URL. To do this, use one of the following methods.

Note

In these methods, replace the CAS_server_nameandcontoso.com placeholders with the name of your CAS server and your domain, respectively.

Method 1 - Use Exchange Management Shell

Run the following cmdlet in Exchange Management Shell:

Set-WebServicesVirtualDirectory -Identity "CAS_server_name\EWS (Default Web Site)" -ExternalUrl https://mail.contoso.com/ews/exchange.asmx

Method 2 - Use Exchange Admin Center

  1. Sign in to Exchange Admin Center.

  2. Locate Servers > Virtual directories, select your server by name, and then select type EWS.

  3. In the Default Web Site dialog box, set External URL to https://mail.contoso.com/ews/exchange.asmx.

    Screenshot of the Default Web Site page.

More information

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