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Jesse's avatar
Jesse
Copper Contributor
May 01, 2023

Set-MailboxMessageConfiguration -SignatureHTML broken

Good afternoon everyone,

 

With the new outlook being up for preview I made a script that converts our current company signature script to one that uses AzureAD and attempts to configure an html signature using Set-MailboxMessageConfiguration

 

When I check the mailbox using Get-MailboxMessageConfiguration ...  | select -ExpandProperty SignatureHtml I can see that the property is updated; but I dont see any of it back in the OWA (or the signature portion of the preview of outlook)

 

What's the dealio here, cause looking on the web it seems that this has been broken for years?

  1. Set-MailboxMessageConfiguration has no effect · Issue #8537 · MicrosoftDocs/office-docs-powershell (github.com)
  2. Cloud Email Signatures Solve an Outlook Problem (office365itpros.com)
  3. Cant no longer change OWA's signature - Microsoft Community Hub
  4. Change signature in Outlook Web (OWA) with Powershell - Stack Overflow

Will setting a default company signature really be impossible in the new outlook?

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