You do not have security rights to perform this operation exception occurred in CreateComputerVariable method

Question

I am getting an exception near computerSettings.Put();Its throwing an exception as You do not have security rights to perform this operation..Can i know exactly when does this error occur..
Details of Error:
ConfigMgr Error Object:
instance of SMS_ExtendedStatus
CauseInfo = "5";
Description = "CSspMachineExtProperties: ERROR_ACCESS_DENIED: ";
ErrorCode = 1112017925;
File = "e:\\qfe\\nts\\sms\\siteserver\\sdk_provider\\smsprov\\sspmachineextprops.cpp";
Line = 958;
ObjectInfo = "";
Operation = "PutInstance";
ParameterInfo = "";
ProviderName = "ExtnProv";
StatusCode = 2147749889;
stack trace:
 at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlResultObject.Put(ReportProgress progressReport)
   at Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine.WqlResultObject.Put()
   at TestWqlManage.Program.CreateComputerVariable(WqlConnectionManager connection, String siteCode, List`1 variables, Int32 computerId) in /path/path/path
ComputerVariable Method where exception occurs
public static string CreateComputerVariable(WqlConnectionManager connection, string siteCode, List<ComputerVariableDC> variables, int computerId)
            try
                // Get the computer settings.
                IResultObject computerSettings = null;
                IResultObject computerSettingsQuery = connection.QueryProcessor.ExecuteQuery(
                    "Select * from SMS_MachineSettings where ResourceId = '" + computerId + "'");
                foreach (IResultObject settings in computerSettingsQuery)
                    computerSettings = settings;
                if (computerSettings == null) // It doesn't exist, so create it.
                    computerSettings = connection.CreateInstance(@"SMS_MachineSettings");
                    computerSettings["ResourceID"].IntegerValue = computerId;
                    computerSettings["SourceSite"].StringValue = siteCode;
                    computerSettings["LocaleID"].IntegerValue = 1033;
                    computerSettings.Put();
                    computerSettings.Get();
                // Create the computer variable.
                List<IResultObject> computerVariables = computerSettings.GetArrayItems("MachineVariables");
                foreach (ComputerVariableDC variable in variables)
                    IResultObject computerVariable = connection.CreateEmbeddedObjectInstance("SMS_MachineVariable");
                    computerVariable["Name"].StringValue = variable.Name;
                    computerVariable["Value"].StringValue = variable.Value;
                    computerVariable["IsMasked"].BooleanValue = false;
                    computerVariables.Add(computerVariable);
                computerSettings.SetArrayItems("MachineVariables", computerVariables);
                computerSettings.Put();
                return computerId.ToString();
            catch (SmsException e)
                Console.WriteLine("Failed to create computer variable: " + e.Message);
                //throw;
                //return e.Message;
                throw e;

Answer 1

Hi,
What's the error when you create a computer variable manually?
Please make sure you have give "Modify Resource" permission to this user. You could see it in Administration workspace -> Security -> Security Roles -> Full Administrator -> Collections -> Modify Resource.
Best Regards,
Joyce
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