How to install SQL Server 2008 R2 Express from command prompt - installation

Question

I have try to install SQL Server 2008 R2 Express from command prompt with below command line
/ACTION=Install /FEATURES=SQLEngine /INSTANCENAME=Myinstance /SQLSVCACCOUNT=NT AUTHORITY\NETWORK SERVICE /SQLSYSADMINACCOUNTS=BUILTIN\ADMINISTRATORS /IACCEPTSQLSERVERLICENSETERMS=True"
But it always fail and i check log file it showing error like
Overall summary:
Final result: SQL Server installation failed. To continue, investigate the reason for the failure, correct the problem, uninstall SQL Server, and then rerun SQL Server Setup.
Exit code (Decimal):-2068578304
Exit facility code: 1204
Exit error code: 0
Exit message: The specified credentials for the SQL Server service are not valid. To continue, provide a valid account and password for the SQL Server service.
Start time: 2012-11-30 12:51:24
End time: 2012-11-30 12:51:59
Requested action:Install
Machine Properties:
Machine name: Victor
Machine processor count:2
OS version:Windows 7
OS service pack:Service Pack 1
OS region:India
OS language: English (United States)
OS architecture:x64
Process architecture: 32 Bit
OS clustered: No
Product features discovered:
Product Instance Instance ID Feature Language Edition Version Clustered
Sql Server 2008 SQLEXPRESS MSSQL10.SQLEXPRESS Database Engine Services 1033 Express Edition 10.0.1600.22 No
Sql Server 2008 SQLEXPRESS MSSQL10.SQLEXPRESS SQL Server Replication 1033 Express Edition 10.0.1600.22 No
Sql Server 2008 Management Tools - Basic 1033 Express Edition 10.0.1600.22 No
Package properties:
Description: SQL Server Database Services 2008 R2
ProductName: SQL Server 2008 R2
Type: RTM
Version: 10
SPLevel: 0
Installation location: e:\f5b5880eab8afb8665d3b15bd6c0\x86\setup\
Installation edition: EXPRESS
User Input Settings:
ACTION: Install
ADDCURRENTUSERASSQLADMIN: True
AGTSVCACCOUNT: NT AUTHORITY\NETWORK SERVICE
AGTSVCPASSWORD: *****
AGTSVCSTARTUPTYPE: Disabled
ASBACKUPDIR: Backup
ASCOLLATION: Latin1_General_CI_AS
ASCONFIGDIR: Config
ASDATADIR: Data
ASDOMAINGROUP: <empty>
ASLOGDIR: Log
ASPROVIDERMSOLAP: 1
ASSVCACCOUNT: <empty>
ASSVCPASSWORD: *****
ASSVCSTARTUPTYPE: Automatic
ASSYSADMINACCOUNTS: <empty>
ASTEMPDIR: Temp
BROWSERSVCSTARTUPTYPE: Automatic
CONFIGURATIONFILE:
CUSOURCE:
ENABLERANU: True
ENU: True
ERRORREPORTING: False
FARMACCOUNT: <empty>
FARMADMINPORT: 0
FARMPASSWORD: *****
FEATURES: SQLENGINE
FILESTREAMLEVEL: 0
FILESTREAMSHARENAME: <empty>
FTSVCACCOUNT: <empty>
FTSVCPASSWORD: *****
HELP: False
IACCEPTSQLSERVERLICENSETERMS: True
INDICATEPROGRESS: False
INSTALLSHAREDDIR: C:\Program Files (x86)\Microsoft SQL Server\
INSTALLSHAREDWOWDIR: C:\Program Files (x86)\Microsoft SQL Server\
INSTALLSQLDATADIR: <empty>
INSTANCEDIR: C:\Program Files (x86)\Microsoft SQL Server\
INSTANCEID: Myinstance
INSTANCENAME: Myinstance
ISSVCACCOUNT:
ISSVCPASSWORD: *****
ISSVCSTARTUPTYPE: Automatic
NPENABLED: 0
PASSPHRASE: *****
PCUSOURCE:
PID: *****
QUIET: True
QUIETSIMPLE: False
ROLE: AllFeatures_WithDefaults
RSINSTALLMODE: FilesOnlyMode
RSSVCACCOUNT: NT AUTHORITY\NETWORK SERVICE
RSSVCPASSWORD: *****
RSSVCSTARTUPTYPE: Automatic
SAPWD: *****
SECURITYMODE: <empty>
SQLBACKUPDIR: <empty>
SQLCOLLATION: Latin1_General_CI_AI
SQLSVCACCOUNT:
SQLSVCPASSWORD: *****
SQLSVCSTARTUPTYPE: Automatic
SQLSYSADMINACCOUNTS: BUILTIN\ADMINISTRATORS
SQLTEMPDBDIR: <empty>
SQLTEMPDBLOGDIR: <empty>
SQLUSERDBDIR: <empty>
SQLUSERDBLOGDIR: <empty>
SQMREPORTING: False
TCPENABLED: 0
UIMODE: AutoAdvance
X86: False
Configuration file: C:\Program Files (x86)\Microsoft SQL Server\100\Setup Bootstrap\Log\20121130_125044\ConfigurationFile.ini
Detailed results:
Feature: Database Engine Services
Status: Failed: see logs for details
MSI status: Passed
Configuration status: Passed
Rules with failures:
Global rules:
Scenario specific rules:
Rules report file: C:\Program Files (x86)\Microsoft SQL Server\100\Setup Bootstrap\Log\20121130_125044\SystemConfigurationCheck_Report.htm
Exception summary:
The following is an exception stack listing the exceptions in outermost to innermost order
Inner exceptions are being indented
Exception type: Microsoft.SqlServer.Chainer.Infrastructure.InputSettingValidationException
Message:
The specified credentials for the SQL Server service are not valid. To continue, provide a valid account and password for the SQL Server service.
Data:
SQL.Setup.FailureCategory = InputSettingValidationFailure
DisableWatson = true
Stack:
at Microsoft.SqlServer.Chainer.Infrastructure.InputSettingService.LogAllValidationErrorsAndThrowFirstOne(ValidationState vs)
at Microsoft.SqlServer.Configuration.SetupExtension.ValidateFeatureSettingsAction.ExecuteAction(String actionId)
at Microsoft.SqlServer.Chainer.Infrastructure.Action.Execute(String actionId, TextWriter errorStream)
at
Microsoft.SqlServer.Setup.Chainer.Workflow.ActionInvocation.ExecuteActionHelper(TextWriter statusStream, ISequencedAction actionToRun)
Inner exception type: Microsoft.SqlServer.Configuration.SqlEngine.ValidationException
Message:
The specified credentials for the SQL Server service are not valid. To continue, provide a valid account and password for the SQL Server service.
But when i try to install same exe file using c# code it will succeessfully installed
Dim info As New System.Diagnostics.ProcessStartInfo("cmd.exe")
info.FileName = My.Application.Info.DirectoryPath + "\SQLEXPR_x86_ENU.exe"
info.Arguments = "/Q /ACTION=INSTALL /FEATURES=SQLEngine /INSTANCENAME=Myinstance /SQLSVCACCOUNT=" & ChrW(34) & "NT AUTHORITY\Network Service" & ChrW(34) & " /SQLSYSADMINACCOUNTS=" & ChrW(34) & "BUILTIN\ADMINISTRATORS" & ChrW(34) & " /IACCEPTSQLSERVERLICENSETERMS=" & ChrW(34) & "True" & ChrW(34)
System.IO.File.WriteAllText("C:\\pathinsideinstaller", info.FileName)
info.UseShellExecute = False
info.CreateNoWindow = True
info.WindowStyle = ProcessWindowStyle.Hidden
Dim process As New System.Diagnostics.Process
process.StartInfo = info
process.Start()
process.WaitForExit()
process.Close()
Please help me how to resolve this issues ...

Answer 1

As it countains spaces, you need double quotes around the /SQLSVCACCOUNT parameter value, like so:
/SQLSVCACCOUNT="NT AUTHORITY\NETWORK SERVICE"