diff --git a/apps/openmw/mwmp/LocalPlayer.cpp b/apps/openmw/mwmp/LocalPlayer.cpp
index 808b1b49e..00b27cd9e 100644
--- a/apps/openmw/mwmp/LocalPlayer.cpp
+++ b/apps/openmw/mwmp/LocalPlayer.cpp
@@ -311,16 +311,40 @@ void LocalPlayer::SendAttack(char type)
     GetNetworking()->SendData(&bs);
 }
 
+
 void LocalPlayer::updateCell(bool forceUpdate)
 {
     const ESM::Cell *_cell = MWBase::Environment::get().getWorld()->getPlayerPtr().getCell()->getCell();
     static bool isExterior = !_cell->isExterior();
 
-    if(isExterior != _cell->isExterior() || !Misc::StringUtils::ciEqual(_cell->mName, GetCell()->mName) || forceUpdate)
+    bool shouldUpdate = false;
+
+    // Send a packet to server to update this LocalPlayer's cell if:
+    // 1) forceUpdate is true
+    // 2) The LocalPlayer's cell name does not equal the World Player's cell name
+    // 3) The LocalPlayer's exterior cell coordinates do not equal the World Player's
+    //    exterior cell coordinates
+    if (forceUpdate) {
+        shouldUpdate = true;
+    }
+    else if (!Misc::StringUtils::ciEqual(_cell->mName, GetCell()->mName)) {
+        shouldUpdate = true;
+    }
+    else if (_cell->isExterior()) {
+        
+        if (_cell->mCellId.mIndex.mX != GetCell()->mCellId.mIndex.mX) {
+            shouldUpdate = true;
+        }
+        else if (_cell->mCellId.mIndex.mY != GetCell()->mCellId.mIndex.mY) {
+            shouldUpdate = true;
+        }
+    }
+
+    if (shouldUpdate)
     {
         (*GetCell()) = *_cell;
         isExterior = _cell->isExterior();
-
+        
         RakNet::BitStream bs;
         GetNetworking()->GetPacket((RakNet::MessageID) ID_GAME_CELL)->Packet(&bs, this, true);
         GetNetworking()->SendData(&bs);
diff --git a/apps/openmw/mwworld/cellstore.cpp b/apps/openmw/mwworld/cellstore.cpp
index 5b53643e8..0c0930ee0 100644
--- a/apps/openmw/mwworld/cellstore.cpp
+++ b/apps/openmw/mwworld/cellstore.cpp
@@ -242,6 +242,10 @@ namespace MWWorld
 
         // Objects with no refnum can't be handled correctly in the merging process that happens
         // on a save/load, so do a simple copy & delete for these objects.
+        
+        // The code below is disabled for TES3MP for as long as player objects lack refnums,
+        // because it will break exterior cell transitions for them
+        /*
         if (!object.getCellRef().getRefNum().hasContentFile())
         {
             MWWorld::Ptr copied = object.getClass().copyToCell(object, *cellToMoveTo, object.getRefData().getCount());
@@ -249,6 +253,7 @@ namespace MWWorld
             object.getRefData().setBaseNode(NULL);
             return copied;
         }
+        */
 
         MovedRefTracker::iterator found = mMovedHere.find(object.getBase());
         if (found != mMovedHere.end())
diff --git a/components/openmw-mp/Packets/PacketCell.cpp b/components/openmw-mp/Packets/PacketCell.cpp
index 3e40880ee..9cf8bb1f6 100644
--- a/components/openmw-mp/Packets/PacketCell.cpp
+++ b/components/openmw-mp/Packets/PacketCell.cpp
@@ -9,8 +9,8 @@
 mwmp::PacketCell::PacketCell(RakNet::RakPeerInterface *peer) : BasePacket(peer)
 {
     packetID = ID_GAME_CELL;
-    priority = MEDIUM_PRIORITY;
-    reliability = UNRELIABLE_SEQUENCED;
+    priority = IMMEDIATE_PRIORITY;
+    reliability = RELIABLE_ORDERED;
 }
 
 void mwmp::PacketCell::Packet(RakNet::BitStream *bs, mwmp::BasePlayer *player, bool send)