diff --git a/test-network/bft-config/configtx.yaml b/test-network/bft-config/configtx.yaml
index 39b6f0f3..4f6de652 100644
--- a/test-network/bft-config/configtx.yaml
+++ b/test-network/bft-config/configtx.yaml
@@ -188,11 +188,11 @@ Orderer: &OrdererDefaults
     MaxMessageCount: 10
     # Absolute Max Bytes: The absolute maximum number of bytes allowed for
     # the serialized messages in a batch.
-    AbsoluteMaxBytes: 99 MB
+    AbsoluteMaxBytes: 500 MB
     # Preferred Max Bytes: The preferred maximum number of bytes allowed for
     # the serialized messages in a batch. A message larger than the preferred
     # max bytes will result in a batch larger than preferred max bytes.
-    PreferredMaxBytes: 512 KB
+    PreferredMaxBytes: 1 MB
   # Organizations is the list of orgs which are defined as participants on
   # the orderer side of the network
   Organizations: