Tag Archives: 500 Internal Server Error

Enable-CsOnlineUMMailbox results in 500 Internal Server Error

While onboarding a new customer with CloudPBX in Skype for Business Online, I came across an issue enabling the client APIs for use with Azure Voicemail. Normally, this is a simple one-liner in PowerShell: But today was a different story… The Enable-CsOnlineUMMailbox started to bleed “The remote server returned an error: (500) Internal Server Error”.… Read More »