diff --git a/openair1/SIMULATION/NR_PHY/nr_unitary_defs.h b/openair1/SIMULATION/NR_PHY/nr_unitary_defs.h
index e5ed3aaf00..504b6a8ed5 100644
--- a/openair1/SIMULATION/NR_PHY/nr_unitary_defs.h
+++ b/openair1/SIMULATION/NR_PHY/nr_unitary_defs.h
@@ -65,6 +65,7 @@ int oai_nfapi_ul_config_req(nfapi_ul_config_request_t *ul_config_req) { return(0
 void fill_scc_sim(NR_ServingCellConfigCommon_t *scc,uint64_t *ssb_bitmap,int N_RB_DL,int N_RB_UL,int mu_dl,int mu_ul);
 void fix_scc(NR_ServingCellConfigCommon_t *scc,uint64_t ssbmap);
 void prepare_scc(NR_ServingCellConfigCommon_t *scc);
+void prepare_msgA_scc(NR_ServingCellConfigCommon_t *scc);
 void prepare_scd(NR_ServingCellConfig_t *scd);
 uint32_t ngap_generate_gNB_id(void) {return 0;}
 
diff --git a/openair2/GNB_APP/gnb_config.c b/openair2/GNB_APP/gnb_config.c
index a528835b03..51913209c9 100644
--- a/openair2/GNB_APP/gnb_config.c
+++ b/openair2/GNB_APP/gnb_config.c
@@ -145,6 +145,28 @@ void prepare_scc(NR_ServingCellConfigCommon_t *scc)
   scc->ext2->ntn_Config_r17->ephemerisInfo_r17->choice.positionVelocity_r17 =
       calloc_or_fail(1, sizeof(*scc->ext2->ntn_Config_r17->ephemerisInfo_r17->choice.positionVelocity_r17));
 }
+void prepare_msgA_scc(NR_ServingCellConfigCommon_t *scc) {
+  NR_BWP_UplinkCommon_t *initialUplinkBWP = scc->uplinkConfigCommon->initialUplinkBWP;
+  // Add the struct ext1
+  initialUplinkBWP->ext1 = calloc(1, sizeof(*initialUplinkBWP->ext1));
+  initialUplinkBWP->ext1->msgA_ConfigCommon_r16 = calloc(1, sizeof(*initialUplinkBWP->ext1->msgA_ConfigCommon_r16));
+  initialUplinkBWP->ext1->msgA_ConfigCommon_r16->present = NR_SetupRelease_MsgA_ConfigCommon_r16_PR_setup;
+  initialUplinkBWP->ext1->msgA_ConfigCommon_r16->choice.setup =
+      calloc(1, sizeof(*initialUplinkBWP->ext1->msgA_ConfigCommon_r16->choice.setup));
+  NR_MsgA_ConfigCommon_r16_t *NR_MsgA_ConfigCommon_r16 = initialUplinkBWP->ext1->msgA_ConfigCommon_r16->choice.setup;
+  NR_MsgA_ConfigCommon_r16->rach_ConfigCommonTwoStepRA_r16.rach_ConfigGenericTwoStepRA_r16.msgB_ResponseWindow_r16 =
+      calloc(1, sizeof(long));
+  NR_MsgA_ConfigCommon_r16->rach_ConfigCommonTwoStepRA_r16.msgA_RSRP_Threshold_r16 = calloc(1, sizeof(NR_RSRP_Range_t));
+
+  NR_MsgA_ConfigCommon_r16->rach_ConfigCommonTwoStepRA_r16.msgA_CB_PreamblesPerSSB_PerSharedRO_r16 = calloc(1, sizeof(long));
+
+  NR_MsgA_ConfigCommon_r16->msgA_PUSCH_Config_r16 = calloc(1, sizeof(NR_MsgA_PUSCH_Config_r16_t));
+  NR_MsgA_PUSCH_Config_r16_t *msgA_PUSCH_Config_r16 = NR_MsgA_ConfigCommon_r16->msgA_PUSCH_Config_r16;
+  msgA_PUSCH_Config_r16->msgA_PUSCH_ResourceGroupA_r16 = calloc(1, sizeof(NR_MsgA_PUSCH_Resource_r16_t));
+  NR_MsgA_PUSCH_Resource_r16_t *msgA_PUSCH_Resource = msgA_PUSCH_Config_r16->msgA_PUSCH_ResourceGroupA_r16;
+  msgA_PUSCH_Resource->startSymbolAndLengthMsgA_PO_r16 = calloc(1, sizeof(long));
+  msgA_PUSCH_Config_r16->msgA_TransformPrecoder_r16 = calloc(1, sizeof(long));
+}
 
 // Section 4.1 in 38.213
 NR_ServingCellConfigCommon__ssb_PositionsInBurst_PR get_ssb_len(NR_ServingCellConfigCommon_t *scc)
@@ -384,6 +406,14 @@ void fix_scc(NR_ServingCellConfigCommon_t *scc, uint64_t ssbmap)
     scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg1_SubcarrierSpacing=NULL;
   }
 
+  if (scc->uplinkConfigCommon->initialUplinkBWP->ext1
+      && (int)scc->uplinkConfigCommon->initialUplinkBWP->ext1->msgA_ConfigCommon_r16->choice.setup->msgA_PUSCH_Config_r16
+                 ->msgA_PUSCH_ResourceGroupA_r16->msgA_PUSCH_TimeDomainOffset_r16
+             == 0) {
+    free(scc->uplinkConfigCommon->initialUplinkBWP->ext1);
+    scc->uplinkConfigCommon->initialUplinkBWP->ext1 = NULL;
+  }
+
   if ((int)*scc->n_TimingAdvanceOffset == -1) {
     free(scc->n_TimingAdvanceOffset);
     scc->n_TimingAdvanceOffset = NULL;
@@ -935,14 +965,20 @@ static NR_ServingCellConfigCommon_t *get_scc_config(configmodule_interface_t *cf
   uint64_t ssb_bitmap=0xff;
   prepare_scc(scc);
   paramdef_t SCCsParams[] = SCCPARAMS_DESC(scc);
+  prepare_msgA_scc(scc);
+  paramdef_t MsgASCCsParams[] = MSGASCCPARAMS_DESC(scc);
   paramlist_def_t SCCsParamList = {GNB_CONFIG_STRING_SERVINGCELLCONFIGCOMMON, NULL, 0};
+  paramlist_def_t MsgASCCsParamList = {GNB_CONFIG_STRING_SERVINGCELLCONFIGCOMMON, NULL, 0};
 
   char aprefix[MAX_OPTNAME_SIZE*2 + 8];
   sprintf(aprefix, "%s.[%i]", GNB_CONFIG_STRING_GNB_LIST, 0);
   config_getlist(cfg, &SCCsParamList, NULL, 0, aprefix);
-  if (SCCsParamList.numelt > 0) {
+  config_getlist(cfg, &MsgASCCsParamList, NULL, 0, aprefix);
+
+  if (SCCsParamList.numelt > 0 || MsgASCCsParamList.numelt > 0) {
     sprintf(aprefix, "%s.[%i].%s.[%i]", GNB_CONFIG_STRING_GNB_LIST,0,GNB_CONFIG_STRING_SERVINGCELLCONFIGCOMMON, 0);
     config_get(cfg, SCCsParams, sizeofArray(SCCsParams), aprefix);
+    config_get(cfg, MsgASCCsParams, sizeofArray(MsgASCCsParams), aprefix);
     struct NR_FrequencyInfoDL *frequencyInfoDL = scc->downlinkConfigCommon->frequencyInfoDL;
     LOG_I(RRC,
           "Read in ServingCellConfigCommon (PhysCellId %d, ABSFREQSSB %d, DLBand %d, ABSFREQPOINTA %d, DLBW "
diff --git a/openair2/RRC/NR/nr_rrc_config.c b/openair2/RRC/NR/nr_rrc_config.c
index e3f310a4c9..201a0e84d4 100644
--- a/openair2/RRC/NR/nr_rrc_config.c
+++ b/openair2/RRC/NR/nr_rrc_config.c
@@ -71,6 +71,25 @@ static NR_SetupRelease_RACH_ConfigCommon_t *clone_rach_configcommon(const NR_Set
   return clone;
 }
 
+static NR_SetupRelease_MsgA_ConfigCommon_r16_t *clone_msga_configcommon(const NR_SetupRelease_MsgA_ConfigCommon_r16_t *mcc)
+{
+  if (mcc == NULL || mcc->present == NR_SetupRelease_MsgA_ConfigCommon_r16_PR_NOTHING)
+    return NULL;
+  NR_SetupRelease_MsgA_ConfigCommon_r16_t *clone = calloc_or_fail(1, sizeof(*clone));
+  clone->present = mcc->present;
+  if (clone->present == NR_SetupRelease_MsgA_ConfigCommon_r16_PR_release)
+    return clone;
+  uint8_t buf[1024];
+  asn_enc_rval_t enc_rval = uper_encode_to_buffer(&asn_DEF_NR_MsgA_ConfigCommon_r16, NULL, mcc->choice.setup, buf, sizeof(buf));
+  AssertFatal(enc_rval.encoded > 0 && enc_rval.encoded < sizeof(buf),
+              "could not clone NR_MsgA_ConfigCommon_r16: problem while encoding\n");
+  asn_dec_rval_t dec_rval =
+      uper_decode(NULL, &asn_DEF_NR_MsgA_ConfigCommon_r16, (void **)&clone->choice.setup, buf, enc_rval.encoded, 0, 0);
+  AssertFatal(dec_rval.code == RC_OK && dec_rval.consumed == enc_rval.encoded,
+              "could not clone NR_MsgA_ConfigCommon_r16:: problem while decoding\n");
+  return clone;
+}
+
 static NR_SetupRelease_PUSCH_ConfigCommon_t *clone_pusch_configcommon(const NR_SetupRelease_PUSCH_ConfigCommon_t *pcc)
 {
   if (pcc == NULL || pcc->present == NR_SetupRelease_PUSCH_ConfigCommon_PR_NOTHING)
@@ -2351,6 +2370,17 @@ NR_BCCH_DL_SCH_Message_t *get_SIB1_NR(const NR_ServingCellConfigCommon_t *scc,
 
   UL->initialUplinkBWP.genericParameters = clone_generic_parameters(&scc->uplinkConfigCommon->initialUplinkBWP->genericParameters);
   UL->initialUplinkBWP.rach_ConfigCommon = clone_rach_configcommon(scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon);
+
+  if (scc->uplinkConfigCommon->initialUplinkBWP->ext1) {
+    NR_SetupRelease_MsgA_ConfigCommon_r16_t *msgA_configcommon =
+        clone_msga_configcommon(scc->uplinkConfigCommon->initialUplinkBWP->ext1->msgA_ConfigCommon_r16);
+    if (msgA_configcommon) {
+      // Add the struct ext1
+      UL->initialUplinkBWP.ext1 = calloc(1, sizeof(*UL->initialUplinkBWP.ext1));
+      UL->initialUplinkBWP.ext1->msgA_ConfigCommon_r16 = msgA_configcommon;
+    }
+  }
+
   UL->initialUplinkBWP.pusch_ConfigCommon = clone_pusch_configcommon(scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon);
   free(UL->initialUplinkBWP.pusch_ConfigCommon->choice.setup->groupHoppingEnabledTransformPrecoding);
   UL->initialUplinkBWP.pusch_ConfigCommon->choice.setup->groupHoppingEnabledTransformPrecoding = NULL;