Commented Unassigned: SP2010 AutoSPInstaller halts when Cannot convert the "Default" value of type "System.String" to type "System.Xml.XmlElement[]" [21934]

Hi Brian,

For SP2010 install, i get this error
It seems to halt just when its supposed to create the proxy group.






- Search Query and Site Settings Service already started.
- Enterprise search service application proxy already exists, skipping creation
.
--------------------------------------------------------------
- Script halted!


```
Exception : System.Management.Automation.ParameterBindingArgumentTr
ansformationException: Cannot process argument transfor
mation on parameter 'groups'. Cannot convert the "Defau
lt" value of type "System.String" to type "System.Xml.X
mlElement[]". ---> System.Management.Automation.Argumen
tTransformationMetadataException: Cannot convert the "D
efault" value of type "System.String" to type "System.X
ml.XmlElement[]". ---> System.Management.Automation.PSI
nvalidCastException: Cannot convert the "Default" value
of type "System.String" to type "System.Xml.XmlElement
[]".
at System.Management.Automation.LanguagePrimitives.C
onvertTo(Object valueToConvert, Type resultType, Boolea
n recursion, IFormatProvider formatProvider, TypeTable
backupTypeTable)
at System.Management.Automation.ArgumentTypeConverte
rAttribute.Transform(EngineIntrinsics engineIntrinsics,
Object inputData, Boolean bindingParameters, Boolean b
indingScriptCmdlet)
--- End of inner exception stack trace ---
at System.Management.Automation.ArgumentTypeConverte
rAttribute.Transform(EngineIntrinsics engineIntrinsics,
Object inputData, Boolean bindingParameters, Boolean b
indingScriptCmdlet)
at System.Management.Automation.ParameterBinderBase.
BindParameter(CommandParameterInternal parameter, Compi
ledCommandParameter parameterMetadata, ParameterBinding
Flags flags)
--- End of inner exception stack trace ---
at System.Management.Automation.ParameterBinderBase.
BindParameter(CommandParameterInternal parameter, Compi
ledCommandParameter parameterMetadata, ParameterBinding
Flags flags)
at System.Management.Automation.ParameterBinderContr
oller.BindParameter(UInt32 parameterSets, CommandParame
terInternal argument, MergedCompiledCommandParameter pa
rameter, ParameterBindingFlags flags)
at System.Management.Automation.ParameterBinderContr
oller.BindPositionalParametersInSet(UInt32 validParamet
erSets, Dictionary`2 nextPositionalParameters, CommandP
arameterInternal argument, ParameterBindingFlags flags,
ParameterBindingException& bindingException)
at System.Management.Automation.ParameterBinderContr
oller.BindPositionalParameters(Collection`1 unboundArgu
ments, UInt32 validParameterSets, UInt32 defaultParamet
erSet, Boolean ignoreArgumentsThatLookLikeParameters, P
arameterBindingException& outgoingBindingException)
at System.Management.Automation.ScriptParameterBinde
rController.BindCommandLineParameters(Collection`1 argu
ments)
at System.Management.Automation.ScriptCommandProcess
or.EnterScope()
at System.Management.Automation.ScriptCommandProcess
or.RunClause(ParseTreeNode clause, Object dollarUnderba
r, Object inputToProcess)
at System.Management.Automation.ScriptCommandProcess
or.DoBegin()
at System.Management.Automation.Internal.PipelinePro
cessor.Start(Boolean incomingStream)
at System.Management.Automation.Internal.PipelinePro
cessor.SynchronousExecuteEnumerate(Object input, Hashta
ble errorResults, Boolean enumerate)
TargetObject :
CategoryInfo : InvalidData: (:) [ForEach-Object], ParameterBindin...ma
tionException
FullyQualifiedErrorId : ParameterArgumentTransformationError,Microsoft.PowerShe
ll.Commands.ForEachObjectCommand
ErrorDetails :
InvocationInfo : System.Management.Automation.InvocationInfo
PipelineIterationInfo : {1, 1}
PSMessageDetails :

```


-----------------------------------
| Automated SP2010 install script |
| Started on: 7/7/2015 11:51:34 AM |
| Aborted: 7/7/2015 11:52:31 AM |
-----------------------------------
PS C:\SP\AutoSPInstaller>
Comments: Associated with changeset 114878: Changes in this release:

- Various updates to code and comments to provide support for SharePoint 2016 IT Preview
- Updated version to 3.99.5
- Updated function Run-PSConfig based on recent clarification by Stefan Gossner (http://blogs.technet.com/b/stefan_gossner/archive/2015/08/20/why-i-prefer-psconfigui-exe-over-psconfig-exe.aspx)
- Script will now attempt to use pure PowerShell instead of makecert.exe to provision SSL certificates
- Project Server service app is now included with SharePoint 2016; made some basic modifications to accomodate this
- Updated & more reliable way of checking if SharePoint is already installed