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Notification Emails From Veeam Backup for Microsoft 365 Are Sent in an Unexpected Language

KB ID: 2692
Product: Veeam Backup for Microsoft Office 365 | 2.0 | 3.0 | 4.0 | 5.0
Veeam Backup for Microsoft 365 | 6.0 | 7.0 | 7a
Published: 2018-07-24
Last Modified: 2023-10-23
Languages: FR
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Challenge

Email notifications sent by Veeam Backup for Microsoft 365 are illegible or unexpectedly contain Chinese characters.
example

Cause

The issue is caused by an encoding conflict. By default, Veeam Backup for Microsoft 365 uses UTF-16 character encoding, and the problem appears under the following circumstances:

  • Use of Mimecast or Thunderbird

    or
  • Office 365 organization located in Microsoft Azure China or Germany regions.

Solution

Email notification encoding can be changed in Veeam Backup for Microsoft 365. Depending on whether this is a test or job notification, the email will be sent by Veeam Backup for Microsoft 365 Service or Veeam Backup for Microsoft 365 Proxy Service respectively. Therefore, the encoding must be updated on the Veeam Backup for Microsoft 365 server and all remote proxies.
Change Email Notification Encoding on the Veeam Backup for Microsoft 365 Server
  1. Ensure no backup jobs are running.
  2. Stop the Veeam Backup for Microsoft 365 Service.
  3. Stop the Veeam Backup for Microsoft 365 Proxy Service.
  4. Navigate to C:\ProgramData\Veeam\Backup365
  5. To change encoding for test emails, edit the Config.xml file and add the following line between <Veeam> and <Arсhiver>
<Email MessageHeadersEncoding="UTF-8" MessageSubjectEncoding="UTF-8" MessageBodyEncoding="UTF-8" />
Config Example
  1. To change encoding for email notifications sent by a backup job, edit the Proxy.xml file and the same line there:
proxyexample
  1. Start the Veeam Backup for Microsoft 365 Proxy Service.
  2. Start the Veeam Backup for Microsoft 365 Service.
Change Email Notification Encoding On Remote Proxies
  1. Ensure no backup jobs are running.
  2. Stop the Veeam Backup for Microsoft 365 Proxy Service.
  3. Navigate to: C:\ProgramData\Veeam\Backup365
  4. To update the encoding for email notifications sent by a backup job, update the Proxy.xml file to add the following line between <Veeam> and <Arсhiver>:
<Email MessageHeadersEncoding="UTF-8" MessageSubjectEncoding="UTF-8" MessageBodyEncoding="UTF-8" />
proxyexample
  1. Start the Veeam Backup for Microsoft 365 Proxy Service.

More Information

A similar issue may occur with Veeam Explorer for Microsoft Exchange and is documented in https://www.veeam.com/kb4188.
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