error install exchange 2016

[eyala]

#167094

hi

I install 10 time exchange 2016 and the same show : error in step 7 of the installion : mailbox role: transport service
I dont what to do ? I repeat the manual of the instalion sevral time and no success. what should I do ?

:The following error was generated when “$error.Clear();

$feVdirName = “PowerShell (Default Web Site)”;

$beVdirName = “PowerShell (Exchange Back End)”;

$vdirName = “PowerShell”;

$InternalPowerShellUrl=”http://” + $RoleFqdnOrName + “/powershell”;

@

$vdir = get-PowerShellVirtualDirectory -ShowMailboxVirtualDirectories -server $RoleFqdnOrName -DomainController $RoleDomainController | where { $_.Name -eq $beVdirName };

if ($vdir -eq $null)

{

new-PowerShellVirtualDirectory $vdirName -Role Mailbox -DomainController $RoleDomainController -BasicAuthentication:$false -WindowsAuthentication:$true -RequireSSL:$true -WebSiteName “Exchange Back End” -Path ($RoleInstallPath + “ClientAccessPowerShell-Proxy”);

}

else

{

update-PowerShellVirtualDirectoryVersion -DomainController $RoleDomainController;

}

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$vdir2 = get-PowerShellVirtualDirectory -ShowMailboxVirtualDirectories -server $RoleFqdnOrName -DomainController $RoleDomainController | where { $_.Name -eq $feVdirName };

if ($vdir2 -eq $null)

{

new-PowerShellVirtualDirectory $vdirName -Role Mailbox -InternalUrl $InternalPowerShellUrl -DomainController $RoleDomainController -BasicAuthentication:$false -WindowsAuthentication:$false -RequireSSL:$false -WebSiteName “Default Web Site” -AppPoolId “MSExchangePowerShellFrontEndAppPool”;

}

else

{

update-PowerShellVirtualDirectoryVersion -DomainController $RoleDomainController;

}

” was run: “System.ArgumentException: The virtual directory ‘PowerShell’ already exists under ‘ksexchange2007.ksdomain.co.il/Default Web Site’.

Parameter name: VirtualDirectoryName

at Microsoft.Exchange.Configuration.Tasks.Task.ThrowError(Exception exception, ErrorCategory errorCategory, Object target, String helpUrl)

at Microsoft.Exchange.Management.SystemConfigurationTasks.NewExchangeVirtualDirectory1.InternalValidate()

at Microsoft.Exchange.Configuration.Tasks.Task.b__c()

at Microsoft.Exchange.Configuration.Tasks.Task.InvokeRetryableFunc(String funcName, Action func, Boolean terminatePipelineIfFailed)”.

@

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