Written by Sam McGeown on 21/3/2011
Published under Microsoft
While using the New-TestCasConnectivityUser.ps1 script to create a test user for Exchange 2010’s connectivity testing, I ran into an issue: CreateTestUser : Mailbox could not be created. Verify that OU ( Users ) exists and that password meets complexity requirements. At C:\Program Files\Microsoft\Exchange Server\V14\Scripts\new-TestCasConnectivityUser.ps1:255 char:27 + $result = CreateTestUser <<<< $exchangeServer $mailboxServer $securePassword $OrganizationalUnit $UMDialPlan $UMExtension $Prompt + CategoryInfo : NotSpecified: (:) [Write-Error], WriteErrorException + FullyQualifiedErrorId : Microsoft.PowerShell.Commands.WriteErrorException,CreateTestUser Oddly enough, that OU does exist (as it will by default on any Windows Domain!