Error on parameters format in a function that installs a SharePoint Farm

Posted on 2011-04-20
Medium Priority
Last Modified: 2012-05-11
In my mainscript I use a param for user input of the parameters, after the param I read in my module with the functions, and then I call my functions. In this example I have problems with my function SPInstall. I get errors like the parameters are`nt i in the correct format, or PassPhrase is null, etc. I didn´t post full function, because the it looks like the problem is in the creating a PSCredential object code segment and secure-password transformation.
I got this error for example:

ConvertTo-SecureString : Cannot bind argument to parameter 'String' because it
is an empty string.
At C:\Install\Script\SharePointModule.psm1:86 char:55
+     $securePassPhrase = ConvertTo-SecureString -String <<<<  $passPhrase -AsP
lainText –Force
    + CategoryInfo          : InvalidData: (:) [ConvertTo-SecureString], Param
    + FullyQualifiedErrorId : ParameterArgumentValidationErrorEmptyStringNotAl

Can´t I write like that or what am I missing?
 I´ve called the method from PowerShell console for example:

New-SPInstallation databseName databaseServer centralAdminDatabase 5000 NTLM passPhrase domain\farm password

I can call parameters like that, I don´t have to use quotes around paramers like when hardcoding values direct into the script??

Her´s the param for user input for the function below and the function call:
param (
 $databaseName = (Read-Host "Specify Farm database name"),   
   $databaseServer = (Read-Host "Database server"), 
  $centralAdminDatabase = (Read-Host "Specify central administration database"),
  $CAport = (Read-Host "Specify Central Administration port"),
  $windowsAuthenticationProvider = (Read-Host "Specify Windows Authentication Provider value"),
    $passPhrase = (Read-Host "Password Phrase"),
   $user = (Read-Host "User"),
  $password = (Read-Host "Specify Farm Password")

Add-PSSnapin Microsoft.SharePoint.PowerShell -erroraction SilentlyContinue
New-SPInstallation $databaseName $databaseServer $centralAdminDatabase $CAport $windowsAuthenticationProvider $passPhrase $user $password 

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And here´s the function[a part of the function, where I get the errors]:
## Install SharePoint 
function New-SPInstallation {
	# Converting password strings to secure strings
	$securePwd = ConvertTo-SecureString -String $password -AsPlainText –Force
    $securePassPhrase = ConvertTo-SecureString -String $passPhrase -AsPlainText –Force
	# Creating a PSCredential object
	$mrFarmAdmin = New-Object -TypeName System.Management.Automation.PSCredential -ArgumentList $user, $securePwd
	#Etc, etc, more function code.......

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Question by:MickMorg
  • 7
  • 4

Expert Comment

ID: 35431358
The error cause is that passPhrase is an empty string. That string was requested from console:
$passPhrase = (Read-Host "Password Phrase")

If you like to permit empty password replace
$securePassPhrase = ConvertTo-SecureString -String $passPhrase -AsPlainText –Force
with somethiong like that:

$securePassPhrase = new-object System.Security.SecureString
If ( $passPhrase.length > 0 ) {
    $securePassPhrase = ConvertTo-SecureString -String $passPhrase -AsPlainText –Force

Author Comment

ID: 35439182
But I have not leaved an empty string for $passPhrase when prompted for it...
In the post, I´ve written my function call, no empty parameters there..!

So I don´t understand WHY I get that error, is the converting thing for secure password and passPhrase correct?

Expert Comment

ID: 35439288
Can you test with "write-host $passPhrase" if what you type on prompt is what you get in variable? Maybe is some special char in password...
Nothing ever in the clear!

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Author Comment

ID: 35439392
I get error on the $password parameter. If I type: !zyxzapr3 , I get a prompted message from the system, that " !zyxzapr1 cannot be recognizes as a valid prompt command.
And I get promped for that parameter again, and then the installation fails for that function.

for the test Write-Host $passPhrase, I get the value I entered for the parameter $password ( !zyxzapr1)


Author Comment

ID: 35439424
This is the code after above code in the same function that fails, iI get the error here from the Write-Warning in database configuration, do I send correct parameters to New-SPConfiguration Database?

# Converting password strings to secure strings
 $securePwd = ConvertTo-SecureString -String $password -AsPlainText –Force
  $securePassPhrase = ConvertTo-SecureString -String $passPhrase -AsPlainText –Force
# Creating a PSCredential object
$mrFarmAdmin = New-Object -TypeName System.Management.Automation.PSCredential -ArgumentList $user, $securePwd

 Write-Host "Installing Configuration Database" -ForegroundColor Green
  Try {
    # New Configuration Database
New-SPConfigurationDatabase -DatabaseName $databaseName -DatabaseServer $databaseServer -AdministrationContentDatabaseName $centralAdminDatabase -Passphrase $securePassPhrase -FarmCredentials $mrFarmAdmin -ErrorAction Stop | Out-Null
    Write-Host "SPConfigurationDatabase: $databaseName installed" -ForegroundColor Green
  Catch {
    Write-Warning "Unable to Create ConfigurationDatabase: $databaseName"

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Accepted Solution

gcitron earned 2000 total points
ID: 35439504
Hmm, that's the problem - the password is beginning with !. You can type two !! instead one at beginning and in variable you will get only one. Or read password directly as SecureString, but then you must remove conversion from New-SPInstallation function, change name and type of variable in declaration etc:
$passPhrase = (Read-Host "Password Phrase" -AsSecureString)

Expert Comment

ID: 35439531
Just tested without the prompt and is working wih one !. That's strange, must be a bug!
You can use as workaround:
$passPhrase = ((Write-host "Password Phrase:" -NoNewline)+(Read-Host))

Author Comment

ID: 35460054
Look at  this fun for the function above, New_SPInstallation, I get some error I can´t make any sense from:

Read-Host : An error of type "System.Management.Automation.Host.PromptingException" has occurred.
At C:\Script\FullScript.ps1:10 char:31
+     $databaseName = (Read-Host <<<<  "Specify Farm database name [not optional]"),  
    + CategoryInfo          : ResourceUnavailable: (:) [Read-Host], PromptingException
    + FullyQualifiedErrorId : System.Management.Automation.Host.PromptingException,Microsoft.PowerShell.Commands.ReadHostCommand
Installing Configuration Database
WARNING: Unable to Create ConfigurationDatabase: SharePoint_Config
PS C:\Windows\SysWOW64> $Error[0] | fl -Force

NodeToken      : continue
Argument       :
Label          :
Message        : System error.
Data           : {}
InnerException :
TargetSite     : System.Array SynchronousExecuteEnumerate(System.Object, System.Collections.Hashtable, Boolean)
StackTrace     :    at System.Management.Automation.Internal.PipelineProcessor.SynchronousExecuteEnumerate(Object input, Hashtable e
                 rrorResults, Boolean enumerate)
                    at System.Management.Automation.Runspaces.LocalPipeline.InvokeHelper()
HelpLink       :
Source         : System.Management.Automation

Author Comment

ID: 35460123
Sorry for the misstype in my post above: "Look at  this fun for the function above, New_SPInstallation, I get some error I can´t make any sense from"

But you know what I mean...

Anyone know what that error is?

Author Comment

ID: 35477736
I solved my errors my self, the function ran without any modifications. The problem were some AD account rights...I tested it in some strange environment I didn´t know much about. When I built my own test env.the script run.

Thanks for trying to help anyway gcitron :)

Author Closing Comment

ID: 35735780
The problem were technical rather than code problems I solved it myself. But i want this expert to get credit for the help anyway :)

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