Enhance Add-NsxtIdentitySource to check for the existence of the AD service account

[GaryJBlake]

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Description

When performing the Add-NsxtIdentitySource task if the Active Directory user does not exist there is an error which says INVALID CREDENTIALS, it would be good to do a check for the existence of the account before attempting to perform the configuaration.

Use Case(s)

• Pre-validation of Active Directory service account

Potential Configuration

if (Test-Connection -ComputerName ($dcMachineName + "." + $domain) -Quiet -Count 1) {
    $checkAdAuthentication = Test-ADAuthentication -user $domainBindUser -pass $domainBindPass -server $domain -domain $domain -ErrorAction SilentlyContinue
    if ($checkAdAuthentication[1] -match "Authentication Successful") {
        # Do Something
    } else {
        Write-Error "Unable to authenticate to Active Directory with user ($domainBindUser) and password ($domainBindPass), check details: PRE_VALIDATION_FAILED"
    }
} else {
    Write-Error "Unable to communicate with Active Directory Domain Controller ($dcMachineName), check details: PRE_VALIDATION_FAILED"
}

References

No response

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