diff --git a/.github/workflows/build-latest.yml b/.github/workflows/build-latest.yml
index 04d1b494..af625312 100644
--- a/.github/workflows/build-latest.yml
+++ b/.github/workflows/build-latest.yml
@@ -42,11 +42,7 @@ jobs:
       test_matrix: |
         {
           "network": ["testnet", "pubnet", "local"],
-          "options": ["", "--enable-horizon-captive-core"],
-          "exclude": [
-            { "network": "testnet", "options": "--enable-horizon-captive-core" },
-            { "network": "pubnet", "options": "--enable-horizon-captive-core" },
-          ]
+          "options": ["", "--enable-horizon-captive-core"]
         }
 
   arm64:
@@ -63,11 +59,7 @@ jobs:
       test_matrix: |
         {
           "network": ["testnet", "pubnet", "local"],
-          "options": ["", "--enable-horizon-captive-core"],
-          "exclude": [
-            { "network": "testnet", "options": "--enable-horizon-captive-core" },
-            { "network": "pubnet", "options": "--enable-horizon-captive-core" },
-          ]
+          "options": ["", "--enable-horizon-captive-core"]
         }
 
   manifest:
diff --git a/.github/workflows/build-soroban-dev.yml b/.github/workflows/build-soroban-dev.yml
index 12670cc6..4d4da37f 100644
--- a/.github/workflows/build-soroban-dev.yml
+++ b/.github/workflows/build-soroban-dev.yml
@@ -36,6 +36,7 @@ jobs:
       tag: soroban-dev-amd64
       core_ref: v20.0.0rc1
       core_configure_flags: --disable-tests
+      core_supports_testing_soroban_high_limit_override: 'true'
       go_ref: soroban-v1.0.0-rc
       soroban_tools_ref: v20.0.0-rc1
       test_matrix: |
@@ -54,6 +55,7 @@ jobs:
       tag: soroban-dev-arm64
       core_ref: v20.0.0rc1
       core_configure_flags: --disable-tests
+      core_supports_testing_soroban_high_limit_override: 'true'
       core_build_runner_type: ubuntu-latest-16-cores
       go_ref: soroban-v1.0.0-rc
       soroban_tools_ref: v20.0.0-rc1
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index af3edca2..cdfb71c7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -22,6 +22,10 @@ on:
         description: 'CONFIGURE_FLAGS used when building stellar-core'
         type: 'string'
         default: '--disable-tests'
+      core_supports_testing_soroban_high_limit_override:
+        description: 'Indicator whether stellar-core supports the TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE config'
+        type: 'string'
+        default: 'false'
       core_build_runner_type:
         description: 'The GitHub Runner instance type to build stellar-core on'
         type: 'string'
@@ -218,7 +222,7 @@ jobs:
     # save can.  Once buildx supports it we can update.
     # https://github.com/docker/buildx/issues/847
     - name: Build Quickstart Image
-      run: docker build --platform linux/${{ inputs.arch }} -f Dockerfile -t $IMAGE --label org.opencontainers.image.revision="${{ env.HEAD_SHA }}" . --build-arg STELLAR_CORE_IMAGE_REF=stellar-core:${{ inputs.arch }} --build-arg HORIZON_IMAGE_REF=stellar-horizon:${{ inputs.arch }} --build-arg FRIENDBOT_IMAGE_REF=stellar-friendbot:${{ inputs.arch }} --build-arg SOROBAN_RPC_IMAGE_REF=stellar-soroban-rpc:${{ inputs.arch }}
+      run: docker build --platform linux/${{ inputs.arch }} -f Dockerfile -t $IMAGE --label org.opencontainers.image.revision="${{ env.HEAD_SHA }}" . --build-arg STELLAR_CORE_IMAGE_REF=stellar-core:${{ inputs.arch }} --build-arg HORIZON_IMAGE_REF=stellar-horizon:${{ inputs.arch }} --build-arg FRIENDBOT_IMAGE_REF=stellar-friendbot:${{ inputs.arch }} --build-arg SOROBAN_RPC_IMAGE_REF=stellar-soroban-rpc:${{ inputs.arch }} --build-arg CORE_SUPPORTS_TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE=${{ inputs.core_supports_testing_soroban_high_limit_override }}
     - name: Save Quickstart Image
       run: docker save $IMAGE -o /tmp/image
     - name: Upload Quickstart Image
diff --git a/Dockerfile b/Dockerfile
index f868c9ee..4a0a2aec 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -42,6 +42,8 @@ ADD pubnet /opt/stellar-default/pubnet
 ADD testnet /opt/stellar-default/testnet
 ADD futurenet /opt/stellar-default/futurenet
 
+ARG CORE_SUPPORTS_TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE
+ENV CORE_SUPPORTS_TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE $CORE_SUPPORTS_TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE
 
 ADD start /
 RUN ["chmod", "+x", "start"]
diff --git a/Makefile b/Makefile
index 85c34423..29a3a582 100644
--- a/Makefile
+++ b/Makefile
@@ -3,6 +3,7 @@ __PHONY__: run logs build build-deps build-deps-core build-deps-horizon build-de
 TAG?=dev
 CORE_REF?=master
 CORE_CONFIGURE_FLAGS?=--disable-tests
+CORE_SUPPORTS_TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE?=false
 SOROBAN_RPC_REF?=main
 HORIZON_REF?=$(shell ./scripts/soroban_repo_to_horizon_repo.sh $(SOROBAN_RPC_REF))
 FRIENDBOT_REF?=$(HORIZON_REF)
@@ -13,6 +14,9 @@ run:
 logs:
 	docker exec stellar /bin/sh -c 'tail -F /var/log/supervisor/*'
 
+console:
+	docker exec -it stellar /bin/bash
+
 build-latest:
 	$(MAKE) build TAG=latest \
 		CORE_REF=v19.13.0 \
@@ -29,12 +33,13 @@ build-soroban-dev:
 	$(MAKE) build TAG=soroban-dev \
 		CORE_REF=v20.0.0rc1 \
 		CORE_CONFIGURE_FLAGS='--disable-tests' \
+		CORE_SUPPORTS_TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE=true \
 		HORIZON_REF=soroban-v1.0.0-rc \
 		SOROBAN_RPC_REF=v20.0.0-rc1
 
 build:
 	$(MAKE) -j 4 build-deps
-	docker build -t stellar/quickstart:$(TAG) -f Dockerfile . --build-arg STELLAR_CORE_IMAGE_REF=stellar-core:$(CORE_REF) --build-arg HORIZON_IMAGE_REF=stellar-horizon:$(HORIZON_REF) --build-arg FRIENDBOT_IMAGE_REF=stellar-friendbot:$(FRIENDBOT_REF) --build-arg SOROBAN_RPC_IMAGE_REF=stellar-soroban-rpc:$(SOROBAN_RPC_REF)
+	docker build -t stellar/quickstart:$(TAG) -f Dockerfile . --build-arg STELLAR_CORE_IMAGE_REF=stellar-core:$(CORE_REF) --build-arg HORIZON_IMAGE_REF=stellar-horizon:$(HORIZON_REF) --build-arg FRIENDBOT_IMAGE_REF=stellar-friendbot:$(FRIENDBOT_REF) --build-arg SOROBAN_RPC_IMAGE_REF=stellar-soroban-rpc:$(SOROBAN_RPC_REF) --build-arg CORE_SUPPORTS_TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE=$(CORE_SUPPORTS_TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE)
 
 build-deps: build-deps-core build-deps-horizon build-deps-friendbot build-deps-soroban-rpc
 
diff --git a/local/core/etc/stellar-core.cfg b/local/core/etc/stellar-core.cfg
index 05a60aa7..238886e8 100644
--- a/local/core/etc/stellar-core.cfg
+++ b/local/core/etc/stellar-core.cfg
@@ -6,6 +6,7 @@ PUBLIC_HTTP_PORT=true
 RUN_STANDALONE=__RUN_STANDALONE__
 MANUAL_CLOSE=__MANUAL_CLOSE__
 ARTIFICIALLY_ACCELERATE_TIME_FOR_TESTING=true
+__TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE__
 
 NETWORK_PASSPHRASE="__NETWORK__"
 KNOWN_CURSORS=["HORIZON"]
diff --git a/local/horizon/etc/stellar-captive-core.cfg b/local/horizon/etc/stellar-captive-core.cfg
index 14bfe3fa..e5e7ff21 100644
--- a/local/horizon/etc/stellar-captive-core.cfg
+++ b/local/horizon/etc/stellar-captive-core.cfg
@@ -7,6 +7,7 @@ PUBLIC_HTTP_PORT=false
 PEER_PORT=11725
 DATABASE="__DATABASE__"
 ARTIFICIALLY_ACCELERATE_TIME_FOR_TESTING=true
+__TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE__
 
 UNSAFE_QUORUM=true
 FAILURE_SAFETY=0
diff --git a/local/soroban-rpc/etc/stellar-captive-core.cfg b/local/soroban-rpc/etc/stellar-captive-core.cfg
index 24cfe337..45ea73d0 100644
--- a/local/soroban-rpc/etc/stellar-captive-core.cfg
+++ b/local/soroban-rpc/etc/stellar-captive-core.cfg
@@ -7,6 +7,7 @@ PUBLIC_HTTP_PORT=false
 PEER_PORT=11726
 DATABASE="__DATABASE__"
 ARTIFICIALLY_ACCELERATE_TIME_FOR_TESTING=true
+__TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE__
 ENABLE_SOROBAN_DIAGNOSTIC_EVENTS=__ENABLE_SOROBAN_DIAGNOSTIC_EVENTS__
 
 EXPERIMENTAL_BUCKETLIST_DB=true
diff --git a/pubnet/horizon/etc/stellar-captive-core.cfg b/pubnet/horizon/etc/stellar-captive-core.cfg
new file mode 100644
index 00000000..0c9bf084
--- /dev/null
+++ b/pubnet/horizon/etc/stellar-captive-core.cfg
@@ -0,0 +1,203 @@
+# captive core config for futurenet
+NETWORK_PASSPHRASE="__NETWORK__"
+# disable the web service port, not used
+HTTP_PORT=0
+PUBLIC_HTTP_PORT=false
+# To avoid conflicts with the core instance
+PEER_PORT=11725
+DATABASE="__DATABASE__"
+
+# TODO: Connect only to the local node after
+# https://github.com/stellar/go/pull/5053 is available.
+# PREFERRED_PEERS=["127.0.0.1:11625"]
+# PREFERRED_PEER_KEYS=["GCTI6HMWRH2QGMFKWVU5M5ZSOTKL7P7JAHZDMJJBKDHGWTEC4CJ7O3DU"]
+# PREFERRED_PEERS_ONLY=true
+
+[[HOME_DOMAINS]]
+HOME_DOMAIN="stellar.org"
+QUALITY="HIGH"
+
+[[HOME_DOMAINS]]
+HOME_DOMAIN="satoshipay.io"
+QUALITY="HIGH"
+
+[[HOME_DOMAINS]]
+HOME_DOMAIN="lobstr.co"
+QUALITY="HIGH"
+
+[[HOME_DOMAINS]]
+HOME_DOMAIN="www.coinqvest.com"
+QUALITY="HIGH"
+
+[[HOME_DOMAINS]]
+HOME_DOMAIN="publicnode.org"
+QUALITY="HIGH"
+
+[[HOME_DOMAINS]]
+HOME_DOMAIN="stellar.blockdaemon.com"
+QUALITY="HIGH"
+
+[[HOME_DOMAINS]]
+HOME_DOMAIN="wirexapp.com"
+QUALITY="HIGH"
+
+[[VALIDATORS]]
+NAME="sdf_1"
+HOME_DOMAIN="stellar.org"
+PUBLIC_KEY="GCGB2S2KGYARPVIA37HYZXVRM2YZUEXA6S33ZU5BUDC6THSB62LZSTYH"
+ADDRESS="core-live-a.stellar.org:11625"
+HISTORY="curl -sf https://history.stellar.org/prd/core-live/core_live_001/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="sdf_2"
+HOME_DOMAIN="stellar.org"
+PUBLIC_KEY="GCM6QMP3DLRPTAZW2UZPCPX2LF3SXWXKPMP3GKFZBDSF3QZGV2G5QSTK"
+ADDRESS="core-live-b.stellar.org:11625"
+HISTORY="curl -sf https://history.stellar.org/prd/core-live/core_live_002/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="sdf_3"
+HOME_DOMAIN="stellar.org"
+PUBLIC_KEY="GABMKJM6I25XI4K7U6XWMULOUQIQ27BCTMLS6BYYSOWKTBUXVRJSXHYQ"
+ADDRESS="core-live-c.stellar.org:11625"
+HISTORY="curl -sf https://history.stellar.org/prd/core-live/core_live_003/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="satoshipay_singapore"
+HOME_DOMAIN="satoshipay.io"
+PUBLIC_KEY="GBJQUIXUO4XSNPAUT6ODLZUJRV2NPXYASKUBY4G5MYP3M47PCVI55MNT"
+ADDRESS="stellar-sg-sin.satoshipay.io:11625"
+HISTORY="curl -sf https://stellar-history-sg-sin.satoshipay.io/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="satoshipay_iowa"
+HOME_DOMAIN="satoshipay.io"
+PUBLIC_KEY="GAK6Z5UVGUVSEK6PEOCAYJISTT5EJBB34PN3NOLEQG2SUKXRVV2F6HZY"
+ADDRESS="stellar-us-iowa.satoshipay.io:11625"
+HISTORY="curl -sf https://stellar-history-us-iowa.satoshipay.io/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="satoshipay_frankfurt"
+HOME_DOMAIN="satoshipay.io"
+PUBLIC_KEY="GC5SXLNAM3C4NMGK2PXK4R34B5GNZ47FYQ24ZIBFDFOCU6D4KBN4POAE"
+ADDRESS="stellar-de-fra.satoshipay.io:11625"
+HISTORY="curl -sf https://stellar-history-de-fra.satoshipay.io/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="lobstr_1_europe"
+HOME_DOMAIN="lobstr.co"
+PUBLIC_KEY="GCFONE23AB7Y6C5YZOMKUKGETPIAJA4QOYLS5VNS4JHBGKRZCPYHDLW7"
+ADDRESS="v1.stellar.lobstr.co:11625"
+HISTORY="curl -sf https://stellar-archive-1-lobstr.s3.amazonaws.com/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="lobstr_2_europe"
+HOME_DOMAIN="lobstr.co"
+PUBLIC_KEY="GDXQB3OMMQ6MGG43PWFBZWBFKBBDUZIVSUDAZZTRAWQZKES2CDSE5HKJ"
+ADDRESS="v2.stellar.lobstr.co:11625"
+HISTORY="curl -sf https://stellar-archive-2-lobstr.s3.amazonaws.com/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="lobstr_3_north_america"
+HOME_DOMAIN="lobstr.co"
+PUBLIC_KEY="GD5QWEVV4GZZTQP46BRXV5CUMMMLP4JTGFD7FWYJJWRL54CELY6JGQ63"
+ADDRESS="v3.stellar.lobstr.co:11625"
+HISTORY="curl -sf https://stellar-archive-3-lobstr.s3.amazonaws.com/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="lobstr_4_asia"
+HOME_DOMAIN="lobstr.co"
+PUBLIC_KEY="GA7TEPCBDQKI7JQLQ34ZURRMK44DVYCIGVXQQWNSWAEQR6KB4FMCBT7J"
+ADDRESS="v4.stellar.lobstr.co:11625"
+HISTORY="curl -sf https://stellar-archive-4-lobstr.s3.amazonaws.com/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="lobstr_5_australia"
+HOME_DOMAIN="lobstr.co"
+PUBLIC_KEY="GA5STBMV6QDXFDGD62MEHLLHZTPDI77U3PFOD2SELU5RJDHQWBR5NNK7"
+ADDRESS="v5.stellar.lobstr.co:11625"
+HISTORY="curl -sf https://stellar-archive-5-lobstr.s3.amazonaws.com/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="coinqvest_hong_kong"
+HOME_DOMAIN="www.coinqvest.com"
+PUBLIC_KEY="GAZ437J46SCFPZEDLVGDMKZPLFO77XJ4QVAURSJVRZK2T5S7XUFHXI2Z"
+ADDRESS="hongkong.stellar.coinqvest.com:11625"
+HISTORY="curl -sf https://hongkong.stellar.coinqvest.com/history/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="coinqvest_germany"
+HOME_DOMAIN="www.coinqvest.com"
+PUBLIC_KEY="GD6SZQV3WEJUH352NTVLKEV2JM2RH266VPEM7EH5QLLI7ZZAALMLNUVN"
+ADDRESS="germany.stellar.coinqvest.com:11625"
+HISTORY="curl -sf https://germany.stellar.coinqvest.com/history/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="coinqvest_finland"
+HOME_DOMAIN="www.coinqvest.com"
+PUBLIC_KEY="GADLA6BJK6VK33EM2IDQM37L5KGVCY5MSHSHVJA4SCNGNUIEOTCR6J5T"
+ADDRESS="finland.stellar.coinqvest.com:11625"
+HISTORY="curl -sf https://finland.stellar.coinqvest.com/history/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="bootes"
+HOME_DOMAIN="publicnode.org"
+PUBLIC_KEY="GCVJ4Z6TI6Z2SOGENSPXDQ2U4RKH3CNQKYUHNSSPYFPNWTLGS6EBH7I2"
+ADDRESS="bootes.publicnode.org"
+HISTORY="curl -sf https://bootes-history.publicnode.org/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="hercules"
+HOME_DOMAIN="publicnode.org"
+PUBLIC_KEY="GBLJNN3AVZZPG2FYAYTYQKECNWTQYYUUY2KVFN2OUKZKBULXIXBZ4FCT"
+ADDRESS="hercules.publicnode.org"
+HISTORY="curl -sf https://hercules-history.publicnode.org/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="lyra"
+HOME_DOMAIN="publicnode.org"
+PUBLIC_KEY="GCIXVKNFPKWVMKJKVK2V4NK7D4TC6W3BUMXSIJ365QUAXWBRPPJXIR2Z"
+ADDRESS="lyra.publicnode.org"
+HISTORY="curl -sf https://lyra-history.publicnode.org/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="Blockdaemon_Validator_1"
+HOME_DOMAIN="stellar.blockdaemon.com"
+PUBLIC_KEY="GAAV2GCVFLNN522ORUYFV33E76VPC22E72S75AQ6MBR5V45Z5DWVPWEU"
+ADDRESS="stellar-full-validator1.bdnodes.net"
+HISTORY="curl -sf https://stellar-full-history1.bdnodes.net/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="Blockdaemon_Validator_2"
+HOME_DOMAIN="stellar.blockdaemon.com"
+PUBLIC_KEY="GAVXB7SBJRYHSG6KSQHY74N7JAFRL4PFVZCNWW2ARI6ZEKNBJSMSKW7C"
+ADDRESS="stellar-full-validator2.bdnodes.net"
+HISTORY="curl -sf https://stellar-full-history2.bdnodes.net/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="Blockdaemon_Validator_3"
+HOME_DOMAIN="stellar.blockdaemon.com"
+PUBLIC_KEY="GAYXZ4PZ7P6QOX7EBHPIZXNWY4KCOBYWJCA4WKWRKC7XIUS3UJPT6EZ4"
+ADDRESS="stellar-full-validator3.bdnodes.net"
+HISTORY="curl -sf https://stellar-full-history3.bdnodes.net/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="wirexUS"
+ADDRESS="us.stellar.wirexapp.com"
+HOME_DOMAIN="wirexapp.com"
+PUBLIC_KEY="GDXUKFGG76WJC7ACEH3JUPLKM5N5S76QSMNDBONREUXPCZYVPOLFWXUS"
+HISTORY="curl -sf http://wxhorizonusstga1.blob.core.windows.net/history/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="wirexUK"
+ADDRESS="uk.stellar.wirexapp.com"
+HOME_DOMAIN="wirexapp.com"
+PUBLIC_KEY="GBBQQT3EIUSXRJC6TGUCGVA3FVPXVZLGG3OJYACWBEWYBHU46WJLWXEU"
+HISTORY="curl -sf http://wxhorizonukstga1.blob.core.windows.net/history/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="wirexSG"
+ADDRESS="sg.stellar.wirexapp.com"
+HOME_DOMAIN="wirexapp.com"
+PUBLIC_KEY="GAB3GZIE6XAYWXGZUDM4GMFFLJBFMLE2JDPUCWUZXMOMT3NHXDHEWXAS"
+HISTORY="curl -sf http://wxhorizonasiastga1.blob.core.windows.net/history/{0} -o {1}"
diff --git a/start b/start
index 51fae01a..46da26d4 100644
--- a/start
+++ b/start
@@ -27,16 +27,13 @@ export PGPORT=5432
 : "${ENABLE_SOROBAN_DIAGNOSTIC_EVENTS:=false}"
 : "${ENABLE_SOROBAN_RPC_ADMIN_ENDPOINT:=false}"
 : "${ENABLE_CORE_MANUAL_CLOSE:=false}"
+: "${CORE_SUPPORTS_TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE:=false}"
 
 QUICKSTART_INITIALIZED=false
 CURRENT_POSTGRES_PID=""
 
 function main() {
   process_args $*
-  if [ "$NETWORK" != "local" ] && [ "$NETWORK" != "futurenet" ] &&[ "$ENABLE_HORIZON_CAPTIVE_CORE" = "true" ]; then
-    echo "--enable-horizon-captive-core usage only supported on local/futurenet networks" >&2
-    exit 1
-  fi
   if [ "$NETWORK" != "local" ] && [ "$NETWORK" != "futurenet" ] && [ "$ENABLE_SOROBAN_RPC" = "true" ]; then
     echo "--enable-soroban-rpc usage only supported on local/futurenet networks" >&2
     exit 1
@@ -361,6 +358,12 @@ function init_stellar_core() {
   run_silent "finalize-core-config-run-local" perl -pi -e "s/__RUN_STANDALONE__/$RUN_STANDALONE/g" etc/stellar-core.cfg
   run_silent "finalize-core-config-manual-close" perl -pi -e "s/__MANUAL_CLOSE__/$ENABLE_CORE_MANUAL_CLOSE/g" etc/stellar-core.cfg
 
+  if [ "$NETWORK" = "local" ] && [ "${CORE_SUPPORTS_TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE}" = "true" ]; then
+    run_silent "finalize-core-config-testing-soroban-high-limit-override-set-true" perl -pi -e "s/__TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE__/TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE=true/g" etc/stellar-core.cfg
+  else
+    run_silent "finalize-core-config-testing-soroban-high-limit-override-unset" perl -pi -e "s/__TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE__//g" etc/stellar-core.cfg
+  fi
+
   start_postgres
 
   run_silent "init-core-db" sudo -u stellar stellar-core new-db --conf etc/stellar-core.cfg
@@ -397,6 +400,12 @@ function init_horizon() {
     run_silent "finalize-horizon-captivecore-db" perl -pi -e "s*__DATABASE__*sqlite3://$HZHOME/captive-core/stellar.db*g" $HORIZON_CAPTIVE_CORE_CFG
     perl -pi -e "s/__NETWORK__/$NETWORK_PASSPHRASE/g" $HORIZON_CAPTIVE_CORE_CFG
 
+    if [ "$NETWORK" = "local" ] && [ "${CORE_SUPPORTS_TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE}" = "true" ]; then
+      run_silent "finalize-horizon-captivecore-config-testing-soroban-high-limit-override-set-true" perl -pi -e "s/__TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE__/TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE=true/g" $HORIZON_CAPTIVE_CORE_CFG
+    else
+      run_silent "finalize-horizon-captivecore-config-testing-soroban-high-limit-override-unset" perl -pi -e "s/__TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE__//g" $HORIZON_CAPTIVE_CORE_CFG
+    fi
+
     cat << EOF >> etc/horizon.env
 export ENABLE_CAPTIVE_CORE_INGESTION=true
 export STELLAR_CORE_BINARY_PATH=/usr/bin/stellar-core
@@ -438,7 +447,13 @@ function init_soroban_rpc() {
   run_silent "finalize-soroban-rpc-captivecore-db" perl -pi -e "s*__DATABASE__*sqlite3://$SOROBAN_RPC_HOME/captive-core/stellar-rpc.db*g" $SOROBAN_RPC_CAPTIVE_CORE_CFG
   perl -pi -e "s/__NETWORK__/$NETWORK_PASSPHRASE/g" $SOROBAN_RPC_CAPTIVE_CORE_CFG
   run_silent "finalize-core-config-enable-soroban-diagnostic-events" perl -pi -e "s/__ENABLE_SOROBAN_DIAGNOSTIC_EVENTS__/$ENABLE_SOROBAN_DIAGNOSTIC_EVENTS/g" $SOROBAN_RPC_CAPTIVE_CORE_CFG
-  
+
+  if [ "$NETWORK" = "local" ] && [ "${CORE_SUPPORTS_TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE}" = "true" ]; then
+    run_silent "finalize-soroban-rpc-captivecore-config-testing-soroban-high-limit-override-set-true" perl -pi -e "s/__TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE__/TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE=true/g" $SOROBAN_RPC_CAPTIVE_CORE_CFG
+  else
+    run_silent "finalize-soroban-rpc-captivecore-config-testing-soroban-high-limit-override-unset" perl -pi -e "s/__TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE__//g" $SOROBAN_RPC_CAPTIVE_CORE_CFG
+  fi
+
   local ADMIN_ENDPOINT=0.0.0.0:6061
   if [ "$ENABLE_SOROBAN_RPC_ADMIN_ENDPOINT" != "true" ]; then
     ADMIN_ENDPOINT=
diff --git a/testnet/horizon/etc/stellar-captive-core.cfg b/testnet/horizon/etc/stellar-captive-core.cfg
new file mode 100644
index 00000000..7e1caa14
--- /dev/null
+++ b/testnet/horizon/etc/stellar-captive-core.cfg
@@ -0,0 +1,39 @@
+# captive core config for futurenet
+NETWORK_PASSPHRASE="__NETWORK__"
+# disable the web service port, not used
+HTTP_PORT=0
+PUBLIC_HTTP_PORT=false
+# To avoid conflicts with the core instance
+PEER_PORT=11725
+DATABASE="__DATABASE__"
+
+# TODO: Connect only to the local node after
+# https://github.com/stellar/go/pull/5053 is available.
+# PREFERRED_PEERS=["127.0.0.1:11625"]
+# PREFERRED_PEER_KEYS=["GCTI6HMWRH2QGMFKWVU5M5ZSOTKL7P7JAHZDMJJBKDHGWTEC4CJ7O3DU"]
+# PREFERRED_PEERS_ONLY=true
+
+[[HOME_DOMAINS]]
+HOME_DOMAIN="testnet.stellar.org"
+QUALITY="HIGH"
+
+[[VALIDATORS]]
+NAME="sdf_testnet_1"
+HOME_DOMAIN="testnet.stellar.org"
+PUBLIC_KEY="GDKXE2OZMJIPOSLNA6N6F2BVCI3O777I2OOC4BV7VOYUEHYX7RTRYA7Y"
+ADDRESS="core-testnet1.stellar.org"
+HISTORY="curl -sf http://history.stellar.org/prd/core-testnet/core_testnet_001/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="sdf_testnet_2"
+HOME_DOMAIN="testnet.stellar.org"
+PUBLIC_KEY="GCUCJTIYXSOXKBSNFGNFWW5MUQ54HKRPGJUTQFJ5RQXZXNOLNXYDHRAP"
+ADDRESS="core-testnet2.stellar.org"
+HISTORY="curl -sf http://history.stellar.org/prd/core-testnet/core_testnet_002/{0} -o {1}"
+
+[[VALIDATORS]]
+NAME="sdf_testnet_3"
+HOME_DOMAIN="testnet.stellar.org"
+PUBLIC_KEY="GC2V2EFSXN6SQTWVYA5EPJPBWWIMSD2XQNKUOHGEKB535AQE2I6IXV2Z"
+ADDRESS="core-testnet3.stellar.org"
+HISTORY="curl -sf http://history.stellar.org/prd/core-testnet/core_testnet_003/{0} -o {1}"