diff --git a/src/main/java/com/lbs/tedam/ui/view/jobmanager/TedamManagerPresenter.java b/src/main/java/com/lbs/tedam/ui/view/jobmanager/TedamManagerPresenter.java
index e299bb2..791664d 100644
--- a/src/main/java/com/lbs/tedam/ui/view/jobmanager/TedamManagerPresenter.java
+++ b/src/main/java/com/lbs/tedam/ui/view/jobmanager/TedamManagerPresenter.java
@@ -218,6 +218,7 @@ private void doStartJobGroupButtonClickOperations(JobGroup jobGroup) throws Loca
 		for (Job job : jobGroup.getJobs()) {
 			jobService.checkJobBeforeRun(job);
 		}
+		jobGroupService.checkForRunningJobGroups(jobGroup, getUserActiveProject());
 		for (Job job : jobGroup.getJobs()) {
 			jobService.saveJobAndJobDetailsStatus(job, JobStatus.QUEUED, CommandStatus.NOT_STARTED,
 					SecurityUtils.getCurrentUser(userService).getTedamUser());
diff --git a/src/main/resources/localization/localizedException_en_US.properties b/src/main/resources/localization/localizedException_en_US.properties
index a03243b..8805b67 100644
--- a/src/main/resources/localization/localizedException_en_US.properties
+++ b/src/main/resources/localization/localizedException_en_US.properties
@@ -9,4 +9,5 @@ localized.exception.emptyJobDetail=At least one test set should be selected !
 localized.exception.jobdetailtestsetnotselected=Test set unselected record ! Id:
 localized.exception.emptytestcase=There is unselected test case record. ! Test set Id:
 localized.exception.emptyteststep=There is unselected test step record. ! Test case Id:
-localized.exception.emptyteststepparameter=Job's test steps include empty parameter value. ! Test step Id:
\ No newline at end of file
+localized.exception.emptyteststepparameter=Job's test steps include empty parameter value. ! Test step Id:
+localized.exception.jobgroupcontainsrunningjob=Running job group contains same job. Job Group Id, Job Id:
\ No newline at end of file
diff --git a/src/main/resources/localization/localizedException_tr_TR.properties b/src/main/resources/localization/localizedException_tr_TR.properties
index da93268..e012b87 100644
--- a/src/main/resources/localization/localizedException_tr_TR.properties
+++ b/src/main/resources/localization/localizedException_tr_TR.properties
@@ -9,4 +9,5 @@ localized.exception.emptyJobDetail=En az bir tane test set se
 localized.exception.jobdetailtestsetnotselected=Test set seçilmemi\u015F kay\u0131t mevcut! Id:
 localized.exception.emptytestcase=Test senaryosu seçilmemi\u015F kay\u0131t mevcut! Test set Id:
 localized.exception.emptyteststep=Test ad\u0131m\u0131 seçilmemi\u015F kay\u0131t mevcut! Test senaryo Id:
-localized.exception.emptyteststepparameter=Parametre de\u011Feri bo\u015F olan kay\u0131t mevcut! Test ad\u0131m\u0131 Id:
\ No newline at end of file
+localized.exception.emptyteststepparameter=Parametre de\u011Feri bo\u015F olan kay\u0131t mevcut! Test ad\u0131m\u0131 Id:
+localized.exception.jobgroupcontainsrunningjob=Çal\u0131\u015Fan i\u015F grubu ayn\u0131 i\u015Fi içermektedir! \u0130\u015F Grup Id, \u0130\u015F Id:
\ No newline at end of file