diff --git a/v1/Application.cfc b/v1/Application.cfc
index ba4f179..9cf3582 100644
--- a/v1/Application.cfc
+++ b/v1/Application.cfc
@@ -51,7 +51,7 @@
 		
 		//variables.framework.docs={};
 		variables.framework.docs.APIName="Deck API";
-		variables.framework.docs.APIVersion="0.042";//новый номер
+		variables.framework.docs.APIVersion="0.043";
 		
 		variables.framework.globalHeaders = structNew();
 		variables.framework.globalHeaders["Access-Control-Expose-Headers"] = "Location"; 
diff --git a/v1/resources/instance_operation_run.cfc b/v1/resources/instance_operation_run.cfc
index 97648ad..84824d9 100644
--- a/v1/resources/instance_operation_run.cfc
+++ b/v1/resources/instance_operation_run.cfc
@@ -22,7 +22,16 @@
 			<!---NOT NULL fields--->
 			<cfset this.helper.keyExistsAndValid(arguments, "instanceOperationUid", "guid")/>
 			
-			<!--- Check operation status --->
+			<cfquery name="local.qSvcOperation" result="local.result">
+				select io.operation, s.svc_id, so.svc_operation_id  
+				from instance_operation io 
+				join instance e on (io.instance_uid=e.instance_uid)
+				join svc s on (e.service_id=s.svc_id)
+				join svc_operation so on (s.svc_id=so.svc_id AND io.operation=so.operation)
+				where io.instance_operation_uid=<cfqueryparam cfsqltype="cf_sql_other" value="#arguments.instanceOperationUid#" null=#!isValid('guid',arguments.instanceOperationUid)#/>
+			</cfquery>
+			
+			<!--- Check operation status, do not start already started (*** consider timeout and cancelling timed out operations here) --->
 			<cfquery name="local.qCheckStarted" result="local.result">
 				select io.dt_submit, io.dt_finish, io.submit_result  
 				from instance_operation io 		
@@ -33,6 +42,27 @@
 			<cfelseif left(local.qCheckStarted.submit_result,1) EQ "2" AND len(local.qCheckStarted.dt_finish) EQ 0><!--- 201 etc --->	
 				<cfreturn representationOf(this.helper.formatMessage("Operation already started", "Parameter creation disabled for started operation")).withStatus(422)/>
 			</cfif>
+			<!--- Check CFS parameters at least for existence 
+			(*** would be better to check RFS but now CFS params are primary, RFS even mostly do not have is_required flag set) --->
+			<!--- *** !!! тут возможна ошибка из-за нечеткого понимания: даже в отсутствие обязательного CFS параметра RFS параметр может быть сгенерирован, например, из дефолта. То есть данный вариант проверки - неполный и ущербный, впоследствии может неожиданно перестать работать --->
+			
+			<cfquery name="local.qCheckCfsParams" result="local.result">
+				select sop.svc_operation_cfs_param_id, sop.svc_operation_cfs_param, sop.is_required, 
+					iop.instance_operation_cfs_param_uid::text as instance_operation_cfs_param_uid, iop.param_value
+				from svc_operation_cfs_param sop
+				left outer join instance_operation_cfs_param iop on (sop.svc_operation_cfs_param_id=iop.svc_operation_cfs_param_id AND iop.instance_operation_uid=<cfqueryparam cfsqltype="cf_sql_other" value="#arguments.instanceOperationUid#" null=#!isValid('guid',arguments.instanceOperationUid)#/>)
+				where sop.svc_operation_id=<cfqueryparam cfsqltype="cf_sql_integer" value="#local.qSvcOperation.svc_operation_id#"/>				
+			</cfquery><!--- <cfdump var=#local.qCheckCfsParams#/><cfabort/> --->
+			<cfset local.cfsParamChecker = CreateObject("component", "instance_operation_cfs_param_ls")/>
+			<!--- we could check existence of required parameters right in the query, 
+			but for possible value chech and verbosity do it in the loop --->			
+			<cfloop query=#local.qCheckCfsParams#>
+				<cfif (local.qCheckCfsParams.is_required GT 0 AND NOT len(local.qCheckCfsParams.instance_operation_cfs_param_uid) GT 0)>
+					<cfreturn representationOf(this.helper.formatMessage("required CFS parameter #local.qCheckCfsParams.svc_operation_cfs_param# (#local.qCheckCfsParams.svc_operation_cfs_param_id#) is missing", "Missing required CFS parameter")).withStatus(409)/>
+				<cfelse>
+					<cfset local.cfsParamChecker.checkParam(local.qCheckCfsParams.svc_operation_cfs_param_id, qCheckCfsParams.param_value, qCheckCfsParams.instance_operation_cfs_param_uid)/>
+				</cfif>
+			</cfloop><!--- <cfdump var=#local.qCheckCfsParams#/><cfabort/> --->			
 			
 			<cfset generateRfsParams(arguments.instanceOperationUid, arguments.usrId)/>
 			<cfset submitJob(arguments.instanceOperationUid)/>