diff --git a/slsDetectorServers/CMakeLists.txt b/slsDetectorServers/CMakeLists.txt
index 20948bac8..af0dcd622 100644
--- a/slsDetectorServers/CMakeLists.txt
+++ b/slsDetectorServers/CMakeLists.txt
@@ -20,10 +20,10 @@ install(TARGETS slsProjectCSettings
     ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
     PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
 )
-add_subdirectory(ctbDetectorServer)
-add_subdirectory(eigerDetectorServer)
-add_subdirectory(gotthardDetectorServer)
-add_subdirectory(jungfrauDetectorServer)
+#add_subdirectory(ctbDetectorServer)
+#add_subdirectory(eigerDetectorServer)
+#add_subdirectory(gotthardDetectorServer)
+#add_subdirectory(jungfrauDetectorServer)
 add_subdirectory(mythen3DetectorServer)
-add_subdirectory(gotthard2DetectorServer)
-add_subdirectory(moenchDetectorServer)
+#add_subdirectory(gotthard2DetectorServer)
+#add_subdirectory(moenchDetectorServer)
diff --git a/slsDetectorServers/ctbDetectorServer/CMakeLists.txt b/slsDetectorServers/ctbDetectorServer/CMakeLists.txt
index 1b97a4314..899cd8c8f 100644
--- a/slsDetectorServers/ctbDetectorServer/CMakeLists.txt
+++ b/slsDetectorServers/ctbDetectorServer/CMakeLists.txt
@@ -17,6 +17,7 @@ add_executable(ctbDetectorServer_virtual
     ../slsDetectorServer/src/MAX1932.c
     ../slsDetectorServer/src/programFpgaBlackfin.c
     ../slsDetectorServer/src/communication_virtual.c
+    ../slsDetectorServer/src/sharedMemory.c
 )
 
 include_directories(
diff --git a/slsDetectorServers/ctbDetectorServer/Makefile b/slsDetectorServers/ctbDetectorServer/Makefile
index c5e3a1593..6d6aab318 100755
--- a/slsDetectorServers/ctbDetectorServer/Makefile
+++ b/slsDetectorServers/ctbDetectorServer/Makefile
@@ -6,13 +6,13 @@ support_lib = ../../slsSupportLib/include/
 CROSS  		= bfin-uclinux-
 CC    		= $(CROSS)gcc
 CFLAGS		+=  -Wall -std=gnu99 -DCHIPTESTBOARDD  -DSTOP_SERVER -I$(main_inc) -I$(support_lib) -I$(current_dir) #-DDEBUG1 #-DVERBOSEI #-DVERBOSE 
-LDLIBS		+= 	-lm  
+LDLIBS		+= 	-lm -lrt -pthread
 PROGS		= 	ctbDetectorServer 
 DESTDIR		?= 	bin
 INSTMODE	= 	0777
 
 SRCS 		= 	slsDetectorFunctionList.c  
-SRCS		+=	$(main_src)slsDetectorServer.c $(main_src)slsDetectorServer_funcs.c $(main_src)communication_funcs.c $(main_src)blackfin.c $(main_src)common.c $(main_src)commonServerFunctions.c $(main_src)communication_funcs_UDP.c $(main_src)UDPPacketHeaderGenerator.c $(main_src)AD7689.c $(main_src)AD9257.c $(main_src)ALTERA_PLL.c  $(main_src)I2C.c  $(main_src)INA226.c  $(main_src)LTC2620.c $(main_src)MAX1932.c $(main_src)programFpgaBlackfin.c
+SRCS		+=	$(main_src)slsDetectorServer.c $(main_src)slsDetectorServer_funcs.c $(main_src)communication_funcs.c $(main_src)blackfin.c $(main_src)common.c $(main_src)commonServerFunctions.c $(main_src)communication_funcs_UDP.c $(main_src)UDPPacketHeaderGenerator.c $(main_src)AD7689.c $(main_src)AD9257.c $(main_src)ALTERA_PLL.c  $(main_src)I2C.c  $(main_src)INA226.c  $(main_src)LTC2620.c $(main_src)MAX1932.c $(main_src)programFpgaBlackfin.c $(main_src)/sharedMemory.c
 
 OBJS 		= 	$(SRCS:.c=.o) 
  
diff --git a/slsDetectorServers/eigerDetectorServer/CMakeLists.txt b/slsDetectorServers/eigerDetectorServer/CMakeLists.txt
index c4d8f5260..da89f30e7 100644
--- a/slsDetectorServers/eigerDetectorServer/CMakeLists.txt
+++ b/slsDetectorServers/eigerDetectorServer/CMakeLists.txt
@@ -6,6 +6,7 @@ set(src
     ../slsDetectorServer/src/communication_funcs_UDP.c
     ../slsDetectorServer/src/common.c
     ../slsDetectorServer/src/communication_virtual.c
+    ../slsDetectorServer/src/sharedMemory.c
 )
 
 include_directories(
diff --git a/slsDetectorServers/eigerDetectorServer/Makefile b/slsDetectorServers/eigerDetectorServer/Makefile
index 614ea0cdf..ff75189d6 100755
--- a/slsDetectorServers/eigerDetectorServer/Makefile
+++ b/slsDetectorServers/eigerDetectorServer/Makefile
@@ -7,13 +7,13 @@ BLACKFIN_CC = bfin-uclinux-gcc
 CROSS		= powerpc-4xx-softfloat-
 CC    		= $(CROSS)gcc
 CFLAGS		+=  -Wall -std=gnu99 -DEIGERD  -DSTOP_SERVER -I$(main_inc) -I$(support_lib) -I$(current_dir) #-DDEBUG1 #-DVERBOSEI #-DVERBOSE 
-LDLIBS		+= 	-lm 
+LDLIBS		+= 	-lm -lrt -pthread
 PROGS		= 	eigerDetectorServer 
 DESTDIR		= 	bin
 INSTMODE	= 	0777
 
 SRCS 		= 	slsDetectorFunctionList.c HardwareIO.c LocalLinkInterface.c  FebInterface.c FebControl.c Beb.c 
-SRCS		+=	$(main_src)communication_funcs.c $(main_src)slsDetectorServer.c $(main_src)slsDetectorServer_funcs.c $(main_src)communication_funcs_UDP.c $(main_src)common.c
+SRCS		+=	$(main_src)communication_funcs.c $(main_src)slsDetectorServer.c $(main_src)slsDetectorServer_funcs.c $(main_src)communication_funcs_UDP.c $(main_src)common.c $(main_src)/sharedMemory.c
 
 OBJS 		= 	$(SRCS:.c=.o) 
 
diff --git a/slsDetectorServers/gotthard2DetectorServer/CMakeLists.txt b/slsDetectorServers/gotthard2DetectorServer/CMakeLists.txt
index 9fb311b04..2848eadf6 100644
--- a/slsDetectorServers/gotthard2DetectorServer/CMakeLists.txt
+++ b/slsDetectorServers/gotthard2DetectorServer/CMakeLists.txt
@@ -12,6 +12,7 @@ add_executable(gotthard2DetectorServer_virtual
     ../slsDetectorServer/src/ASIC_Driver.c
     ../slsDetectorServer/src/programFpgaNios.c
     ../slsDetectorServer/src/communication_virtual.c
+    ../slsDetectorServer/src/sharedMemory.c
 )
 
 include_directories(
diff --git a/slsDetectorServers/gotthard2DetectorServer/Makefile b/slsDetectorServers/gotthard2DetectorServer/Makefile
index eb6f71427..273630224 100755
--- a/slsDetectorServers/gotthard2DetectorServer/Makefile
+++ b/slsDetectorServers/gotthard2DetectorServer/Makefile
@@ -6,13 +6,13 @@ support_lib = ../../slsSupportLib/include/
 CROSS  		= nios2-buildroot-linux-gnu-
 CC    		= $(CROSS)gcc
 CFLAGS		+=  -Wall -std=gnu99 -DGOTTHARD2D  -DSTOP_SERVER -I$(main_inc) -I$(support_lib) -I$(current_dir) #-DDEBUG1 #-DVERBOSEI #-DVERBOSE 
-LDLIBS		+= 	-lm 
+LDLIBS		+= 	-lm -lrt -pthread
 PROGS		= 	gotthard2DetectorServer 
 DESTDIR		?= 	bin
 INSTMODE	= 	0777
 
 SRCS	=	slsDetectorFunctionList.c 
-SRCS	+=	$(main_src)slsDetectorServer.c $(main_src)slsDetectorServer_funcs.c $(main_src)communication_funcs.c $(main_src)nios.c $(main_src)common.c $(main_src)DAC6571.c $(main_src)LTC2620_Driver.c $(main_src)ALTERA_PLL_CYCLONE10.c $(main_src)ASIC_Driver.c $(main_src)/programFpgaNios.c
+SRCS	+=	$(main_src)slsDetectorServer.c $(main_src)slsDetectorServer_funcs.c $(main_src)communication_funcs.c $(main_src)nios.c $(main_src)common.c $(main_src)DAC6571.c $(main_src)LTC2620_Driver.c $(main_src)ALTERA_PLL_CYCLONE10.c $(main_src)ASIC_Driver.c $(main_src)/programFpgaNios.c $(main_src)/sharedMemory.c
 
 OBJS 	= 	$(SRCS:.c=.o) 
  
diff --git a/slsDetectorServers/gotthardDetectorServer/CMakeLists.txt b/slsDetectorServers/gotthardDetectorServer/CMakeLists.txt
index 31c30b70e..4cec6f7cc 100644
--- a/slsDetectorServers/gotthardDetectorServer/CMakeLists.txt
+++ b/slsDetectorServers/gotthardDetectorServer/CMakeLists.txt
@@ -11,6 +11,7 @@ add_executable(gotthardDetectorServer_virtual
     ../slsDetectorServer/src/commonServerFunctions.c    
     ../slsDetectorServer/src/communication_funcs_UDP.c    
     ../slsDetectorServer/src/communication_virtual.c
+    ../slsDetectorServer/src/sharedMemory.c
 )
 
 include_directories(
diff --git a/slsDetectorServers/gotthardDetectorServer/Makefile b/slsDetectorServers/gotthardDetectorServer/Makefile
index b54210754..2264c5554 100755
--- a/slsDetectorServers/gotthardDetectorServer/Makefile
+++ b/slsDetectorServers/gotthardDetectorServer/Makefile
@@ -6,13 +6,13 @@ support_lib = ../../slsSupportLib/include/
 CROSS  		= bfin-uclinux-
 CC    		= $(CROSS)gcc
 CFLAGS		+=  -Wall -std=gnu99 -DGOTTHARDD  -DSTOP_SERVER -I$(main_inc) -I$(support_lib) -I$(current_dir)#-DVERBOSEI #-DVERBOSE 
-LDLIBS		+= 	-lm  
+LDLIBS		+= 	-lm -lrt -pthread  
 PROGS		= 	gotthardDetectorServer 
 DESTDIR		?= 	bin
 INSTMODE	= 	0777
 
 SRCS 		= 	slsDetectorFunctionList.c  
-SRCS		+=	$(main_src)slsDetectorServer.c $(main_src)slsDetectorServer_funcs.c $(main_src)communication_funcs.c $(main_src)blackfin.c $(main_src)AD9252.c $(main_src)AD9257.c $(main_src)LTC2620.c $(main_src)common.c $(main_src)commonServerFunctions.c 
+SRCS		+=	$(main_src)slsDetectorServer.c $(main_src)slsDetectorServer_funcs.c $(main_src)communication_funcs.c $(main_src)blackfin.c $(main_src)AD9252.c $(main_src)AD9257.c $(main_src)LTC2620.c $(main_src)common.c $(main_src)commonServerFunctions.c $(main_src)/sharedMemory.c
 OBJS 		= 	$(SRCS:.c=.o) 
 
 all: clean $(PROGS)
diff --git a/slsDetectorServers/jungfrauDetectorServer/CMakeLists.txt b/slsDetectorServers/jungfrauDetectorServer/CMakeLists.txt
index 2ae085da8..097c645c9 100644
--- a/slsDetectorServers/jungfrauDetectorServer/CMakeLists.txt
+++ b/slsDetectorServers/jungfrauDetectorServer/CMakeLists.txt
@@ -13,6 +13,7 @@ add_executable(jungfrauDetectorServer_virtual
     ../slsDetectorServer/src/programFpgaBlackfin.c
     ../slsDetectorServer/src/communication_funcs_UDP.c    
     ../slsDetectorServer/src/communication_virtual.c
+    ../slsDetectorServer/src/sharedMemory.c
 )
 
 target_include_directories(jungfrauDetectorServer_virtual
diff --git a/slsDetectorServers/jungfrauDetectorServer/Makefile b/slsDetectorServers/jungfrauDetectorServer/Makefile
index 8b3fef852..1a225159c 100755
--- a/slsDetectorServers/jungfrauDetectorServer/Makefile
+++ b/slsDetectorServers/jungfrauDetectorServer/Makefile
@@ -6,13 +6,13 @@ support_lib = ../../slsSupportLib/include/
 CROSS  		= bfin-uclinux-
 CC    		= $(CROSS)gcc
 CFLAGS		+=  -Wall -std=gnu99 -DJUNGFRAUD  -DSTOP_SERVER -I$(main_inc) -I$(support_lib) -I$(current_dir)#-DVERBOSEI #-DVERBOSE 
-LDLIBS		+= 	-lm
+LDLIBS		+= 	-lm -lrt -pthread
 PROGS		= 	jungfrauDetectorServer 
 DESTDIR		?= 	bin
 INSTMODE	= 	0777
 
 SRCS	=	slsDetectorFunctionList.c 
-SRCS	+=	$(main_src)slsDetectorServer.c $(main_src)slsDetectorServer_funcs.c $(main_src)communication_funcs.c $(main_src)blackfin.c $(main_src)common.c $(main_src)commonServerFunctions.c  $(main_src)AD9257.c $(main_src)ALTERA_PLL.c $(main_src)LTC2620.c $(main_src)MAX1932.c $(main_src)programFpgaBlackfin.c 
+SRCS	+=	$(main_src)slsDetectorServer.c $(main_src)slsDetectorServer_funcs.c $(main_src)communication_funcs.c $(main_src)blackfin.c $(main_src)common.c $(main_src)commonServerFunctions.c  $(main_src)AD9257.c $(main_src)ALTERA_PLL.c $(main_src)LTC2620.c $(main_src)MAX1932.c $(main_src)programFpgaBlackfin.c $(main_src)/sharedMemory.c
 
 OBJS 	= 	$(SRCS:.c=.o) 
  
diff --git a/slsDetectorServers/moenchDetectorServer/CMakeLists.txt b/slsDetectorServers/moenchDetectorServer/CMakeLists.txt
index 2b9ae2846..e9d9a70fa 100644
--- a/slsDetectorServers/moenchDetectorServer/CMakeLists.txt
+++ b/slsDetectorServers/moenchDetectorServer/CMakeLists.txt
@@ -15,6 +15,7 @@ add_executable(moenchDetectorServer_virtual
     ../slsDetectorServer/src/programFpgaBlackfin.c   
     ../slsDetectorServer/src/readDefaultPattern.c         
     ../slsDetectorServer/src/communication_virtual.c
+    ../slsDetectorServer/src/sharedMemory.c
 )
 
 include_directories(
diff --git a/slsDetectorServers/moenchDetectorServer/Makefile b/slsDetectorServers/moenchDetectorServer/Makefile
index f66350e35..a4d07b266 100755
--- a/slsDetectorServers/moenchDetectorServer/Makefile
+++ b/slsDetectorServers/moenchDetectorServer/Makefile
@@ -6,13 +6,13 @@ support_lib = ../../slsSupportLib/include/
 CROSS  		= bfin-uclinux-
 CC    		= $(CROSS)gcc
 CFLAGS		+=  -Wall -std=gnu99 -DMOENCHD  -DSTOP_SERVER -I$(main_inc) -I$(support_lib) -I$(current_dir)#-DVERBOSEI #-DVERBOSE 
-LDLIBS		+= 	-lm  
+LDLIBS		+= 	-lm -lrt -pthread  
 PROGS		= 	moenchDetectorServer 
 DESTDIR		?= 	bin
 INSTMODE	= 	0777
 
 SRCS 		= 	slsDetectorFunctionList.c 
-SRCS		+=	$(main_src)slsDetectorServer.c $(main_src)slsDetectorServer_funcs.c $(main_src)communication_funcs.c $(main_src)blackfin.c $(main_src)common.c $(main_src)commonServerFunctions.c $(main_src)communication_funcs_UDP.c $(main_src)UDPPacketHeaderGenerator.c $(main_src)AD9257.c $(main_src)ALTERA_PLL.c $(main_src)LTC2620.c $(main_src)MAX1932.c $(main_src)programFpgaBlackfin.c $(main_src)readDefaultPattern.c
+SRCS		+=	$(main_src)slsDetectorServer.c $(main_src)slsDetectorServer_funcs.c $(main_src)communication_funcs.c $(main_src)blackfin.c $(main_src)common.c $(main_src)commonServerFunctions.c $(main_src)communication_funcs_UDP.c $(main_src)UDPPacketHeaderGenerator.c $(main_src)AD9257.c $(main_src)ALTERA_PLL.c $(main_src)LTC2620.c $(main_src)MAX1932.c $(main_src)programFpgaBlackfin.c $(main_src)readDefaultPattern.c $(main_src)/sharedMemory.c
 
 OBJS 		= 	$(SRCS:.c=.o) 
 
diff --git a/slsDetectorServers/mythen3DetectorServer/CMakeLists.txt b/slsDetectorServers/mythen3DetectorServer/CMakeLists.txt
index 57da8d3df..b109aa3d0 100644
--- a/slsDetectorServers/mythen3DetectorServer/CMakeLists.txt
+++ b/slsDetectorServers/mythen3DetectorServer/CMakeLists.txt
@@ -10,7 +10,7 @@ add_executable(mythen3DetectorServer_virtual
     ../slsDetectorServer/src/LTC2620_Driver.c
     ../slsDetectorServer/src/ALTERA_PLL_CYCLONE10.c   
     ../slsDetectorServer/src/programFpgaNios.c
-    ../slsDetectorServer/src/communication_virtual.c
+    ../slsDetectorServer/src/sharedMemory.c
 )
 
 include_directories(
diff --git a/slsDetectorServers/mythen3DetectorServer/Makefile b/slsDetectorServers/mythen3DetectorServer/Makefile
index 69848e5d3..c0cd3f3f2 100755
--- a/slsDetectorServers/mythen3DetectorServer/Makefile
+++ b/slsDetectorServers/mythen3DetectorServer/Makefile
@@ -6,13 +6,13 @@ support_lib = ../../slsSupportLib/include/
 CROSS  		= nios2-buildroot-linux-gnu-
 CC    		= $(CROSS)gcc
 CFLAGS		+=  -Wall -std=gnu99 -DMYTHEN3D  -DSTOP_SERVER -I$(main_inc) -I$(support_lib) -I$(current_dir) #-DDEBUG1 #-DVERBOSEI #-DVERBOSE 
-LDLIBS		+= 	-lm
+LDLIBS		+= 	-lm -lrt -pthread
 PROGS		= 	mythen3DetectorServer 
 DESTDIR		?= 	bin
 INSTMODE	= 	0777
 
 SRCS	=	slsDetectorFunctionList.c 
-SRCS	+=	$(main_src)slsDetectorServer.c $(main_src)slsDetectorServer_funcs.c $(main_src)communication_funcs.c $(main_src)nios.c $(main_src)DAC6571.c $(main_src)common.c $(main_src)LTC2620_Driver.c $(main_src)ALTERA_PLL_CYCLONE10.c $(main_src)/programFpgaNios.c
+SRCS	+=	$(main_src)slsDetectorServer.c $(main_src)slsDetectorServer_funcs.c $(main_src)communication_funcs.c $(main_src)nios.c $(main_src)DAC6571.c $(main_src)common.c $(main_src)LTC2620_Driver.c $(main_src)ALTERA_PLL_CYCLONE10.c $(main_src)/programFpgaNios.c $(main_src)/sharedMemory.c
 
 OBJS 	= 	$(SRCS:.c=.o) 
  
diff --git a/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c
index 391e938a8..482f0694d 100644
--- a/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/mythen3DetectorServer/slsDetectorFunctionList.c
@@ -5,10 +5,10 @@
 #include "RegisterDefs.h"
 #include "clogger.h"
 #include "common.h"
+#include "sharedMemory.h"
 #include "versionAPI.h"
 #ifdef VIRTUAL
 #include "communication_funcs_UDP.h"
-#include "communication_virtual.h"
 #endif
 
 #include <netinet/in.h>
@@ -32,6 +32,7 @@ extern void getIpAddressinString(char *cip, uint32_t ip);
 int initError = OK;
 int initCheckDone = 0;
 char initErrorMessage[MAX_STR_LENGTH];
+sharedMem *thisMem;
 
 #ifdef VIRTUAL
 pthread_t pthread_virtual_tid;
@@ -333,7 +334,9 @@ void initStopServer() {
 #ifdef VIRTUAL
     virtual_stop = 0;
     if (!isControlServer) {
-        ComVirtual_setStop(virtual_stop);
+        lockSharedMemory(thisMem);
+        thisMem->stop = virtual_stop;
+        unlockSharedMemory(thisMem);
     }
 #endif
 }
@@ -390,7 +393,9 @@ void setupDetector() {
 #ifdef VIRTUAL
     virtual_status = 0;
     if (isControlServer) {
-        ComVirtual_setStatus(virtual_status);
+        lockSharedMemory(thisMem);
+        thisMem->status = virtual_status;
+        unlockSharedMemory(thisMem);
     }
 #endif
 
@@ -1980,21 +1985,28 @@ int startStateMachine() {
     }
     LOG(logINFOBLUE, ("Starting State Machine\n"));
     // set status to running
-    virtual_status = 1;
     if (isControlServer) {
-        ComVirtual_setStatus(virtual_status);
-        virtual_stop = ComVirtual_getStop();
+        lockSharedMemory(thisMem);
+        virtual_stop = thisMem->stop;
+        unlockSharedMemory(thisMem);
         if (virtual_stop != 0) {
             LOG(logERROR, ("Cant start acquisition. "
                            "Stop server has not updated stop status to 0\n"));
             return FAIL;
         }
+
+        virtual_status = 1;
+        lockSharedMemory(thisMem);
+        thisMem->status = virtual_status;
+        unlockSharedMemory(thisMem);
     }
     if (pthread_create(&pthread_virtual_tid, NULL, &start_timer, NULL)) {
         LOG(logERROR, ("Could not start Virtual acquisition thread\n"));
         virtual_status = 0;
         if (isControlServer) {
-            ComVirtual_setStatus(virtual_status);
+            lockSharedMemory(thisMem);
+            thisMem->status = virtual_status;
+            unlockSharedMemory(thisMem);
         }
         return FAIL;
     }
@@ -2038,7 +2050,9 @@ void *start_timer(void *arg) {
     for (int frameNr = 0; frameNr != numFrames; ++frameNr) {
 
         // update the virtual stop from stop server
-        virtual_stop = ComVirtual_getStop();
+        lockSharedMemory(thisMem);
+        virtual_stop = thisMem->stop;
+        unlockSharedMemory(thisMem);
         // check if virtual_stop is high
         if (virtual_stop == 1) {
             break;
@@ -2089,7 +2103,9 @@ void *start_timer(void *arg) {
 
     virtual_status = 0;
     if (isControlServer) {
-        ComVirtual_setStatus(virtual_status);
+        lockSharedMemory(thisMem);
+        thisMem->status = virtual_status;
+        unlockSharedMemory(thisMem);
     }
     LOG(logINFOBLUE, ("Finished Acquiring\n"));
     return NULL;
@@ -2101,14 +2117,20 @@ int stopStateMachine() {
 #ifdef VIRTUAL
     if (!isControlServer) {
         virtual_stop = 1;
-        ComVirtual_setStop(virtual_stop);
+        lockSharedMemory(thisMem);
+        thisMem->stop = virtual_stop;
+        unlockSharedMemory(thisMem);
         // read till status is idle
         int tempStatus = 1;
         while (tempStatus == 1) {
-            tempStatus = ComVirtual_getStatus();
+            lockSharedMemory(thisMem);
+            tempStatus = thisMem->status;
+            unlockSharedMemory(thisMem);
         }
         virtual_stop = 0;
-        ComVirtual_setStop(virtual_stop);
+        lockSharedMemory(thisMem);
+        thisMem->stop = virtual_stop;
+        unlockSharedMemory(thisMem);
         LOG(logINFO, ("Stopped State Machine\n"));
     }
     return OK;
@@ -2122,7 +2144,9 @@ int stopStateMachine() {
 enum runStatus getRunStatus() {
 #ifdef VIRTUAL
     if (!isControlServer) {
-        virtual_status = ComVirtual_getStatus();
+        lockSharedMemory(thisMem);
+        virtual_status = thisMem->status;
+        unlockSharedMemory(thisMem);
     }
     if (virtual_status == 0) {
         LOG(logINFOBLUE, ("Status: IDLE\n"));
@@ -2201,7 +2225,9 @@ void readFrame(int *ret, char *mess) {
 u_int32_t runBusy() {
 #ifdef VIRTUAL
     if (!isControlServer) {
-        virtual_status = ComVirtual_getStatus();
+        lockSharedMemory(thisMem);
+        virtual_status = thisMem->status;
+        unlockSharedMemory(thisMem);
     }
     return virtual_status;
 #endif
diff --git a/slsDetectorServers/slsDetectorServer/src/slsDetectorServer.c b/slsDetectorServers/slsDetectorServer/src/slsDetectorServer.c
index 22e134d2c..b002ff5f9 100644
--- a/slsDetectorServers/slsDetectorServer/src/slsDetectorServer.c
+++ b/slsDetectorServers/slsDetectorServer/src/slsDetectorServer.c
@@ -3,13 +3,11 @@
 
 #include "clogger.h"
 #include "communication_funcs.h"
+#include "sharedMemory.h"
 #include "slsDetectorServer_defs.h"
 #include "slsDetectorServer_funcs.h"
 #include "sls_detector_defs.h"
 #include "versionAPI.h"
-#ifdef VIRTUAL
-#include "communication_virtual.h"
-#endif
 
 #include <signal.h>
 #include <string.h>
@@ -28,6 +26,7 @@ extern int checkModuleFlag;
 #ifdef GOTTHARDD
 extern int phaseShift;
 #endif
+extern sharedMem *thisMem;
 
 void error(char *msg) { perror(msg); }
 
@@ -100,6 +99,10 @@ int main(int argc, char *argv[]) {
 
     // control server
     if (isControlServer) {
+        LOG(logINFOBLUE, ("Control Server [%d]\n", portno));
+        if (!createSharedMemory(&thisMem, portno)) {
+            return -1;
+        }
 #ifdef STOP_SERVER
         // start stop server process
         char cmd[MAX_STR_LENGTH];
@@ -121,21 +124,14 @@ int main(int argc, char *argv[]) {
 
         LOG(logDEBUG1, ("Command to start stop server:%s\n", cmd));
         system(cmd);
-        LOG(logINFOBLUE, ("Control Server [%d]\n", portno));
-#ifdef VIRTUAL
-        // creating files for virtual servers to communicate with each other
-        if (!ComVirtual_createFiles(portno)) {
-            return -1;
-        }
-#endif
 #endif
     }
     // stop server
     else {
         LOG(logINFOBLUE, ("Stop Server [%d]\n", portno));
-#ifdef VIRTUAL
-        ComVirtual_setFileNames(portno - 1);
-#endif
+        if (!openSharedMemory(&thisMem, portno - 1)) {
+            return -1;
+        }
     }
 
     init_detector();
@@ -164,6 +160,17 @@ int main(int argc, char *argv[]) {
 
     exitServer(sockfd);
 
+    // detach shared memory
+    if (!detachSharedMemory(&thisMem)) {
+        return -1;
+    }
+    // remove shared memory (control server)
+    if (isControlServer) {
+        if (!removeSharedMemory()) {
+            return -1;
+        }
+    }
+
     if (retval == REBOOT) {
         LOG(logINFORED, ("Rebooting!\n"));
         fflush(stdout);