diff --git a/BTCPayServer/BTCPayServer.csproj b/BTCPayServer/BTCPayServer.csproj
index 92486cf04..4f1a0083e 100644
--- a/BTCPayServer/BTCPayServer.csproj
+++ b/BTCPayServer/BTCPayServer.csproj
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFramework>netcoreapp2.0</TargetFramework>
-		<Version>1.0.1.13</Version>
+		<Version>1.0.1.14</Version>
   </PropertyGroup>
   <ItemGroup>
     <Compile Remove="Build\dockerfiles\**" />
diff --git a/BTCPayServer/Controllers/InvoiceController.cs b/BTCPayServer/Controllers/InvoiceController.cs
index e6de51232..797869b13 100644
--- a/BTCPayServer/Controllers/InvoiceController.cs
+++ b/BTCPayServer/Controllers/InvoiceController.cs
@@ -80,9 +80,9 @@ namespace BTCPayServer.Controllers
 
         internal async Task<DataWrapper<InvoiceResponse>> CreateInvoiceCore(Invoice invoice, StoreData store, string serverUrl)
         {
-            var derivationStrategies = store.GetDerivationStrategies(_NetworkProvider).ToList();
+            var derivationStrategies = store.GetDerivationStrategies(_NetworkProvider).Where(c => _ExplorerClients.IsAvailable(c.Network.CryptoCode)).ToList();
             if (derivationStrategies.Count == 0)
-                throw new BitpayHttpException(400, "This store has not configured the derivation strategy");
+                throw new BitpayHttpException(400, "No derivation strategy are available now for this store");
             var entity = new InvoiceEntity
             {
                 InvoiceTime = DateTimeOffset.UtcNow
diff --git a/BTCPayServer/ExplorerClientProvider.cs b/BTCPayServer/ExplorerClientProvider.cs
index 60b6c7a77..b377ac84b 100644
--- a/BTCPayServer/ExplorerClientProvider.cs
+++ b/BTCPayServer/ExplorerClientProvider.cs
@@ -6,6 +6,7 @@ using System.Threading.Tasks;
 using BTCPayServer.Configuration;
 using BTCPayServer.Logging;
 using NBXplorer;
+using BTCPayServer.HostedServices;
 
 namespace BTCPayServer
 {
@@ -15,9 +16,10 @@ namespace BTCPayServer
         BTCPayServerOptions _Options;
 
         public BTCPayNetworkProvider NetworkProviders => _NetworkProviders;
-
-        public ExplorerClientProvider(BTCPayNetworkProvider networkProviders, BTCPayServerOptions options)
+        NBXplorerDashboard _Dashboard;
+        public ExplorerClientProvider(BTCPayNetworkProvider networkProviders, BTCPayServerOptions options, NBXplorerDashboard dashboard)
         {
+            _Dashboard = dashboard;
             _NetworkProviders = networkProviders;
             _Options = options;
 
@@ -68,6 +70,16 @@ namespace BTCPayServer
             return GetExplorerClient(network.CryptoCode);
         }
 
+        public bool IsAvailable(BTCPayNetwork network)
+        {
+            return IsAvailable(network.CryptoCode);
+        }
+
+        public bool IsAvailable(string cryptoCode)
+        {
+            return _Clients.ContainsKey(cryptoCode) && _Dashboard.IsFullySynched(cryptoCode);
+        }
+
         public BTCPayNetwork GetNetwork(string cryptoCode)
         {
             var network = _NetworkProviders.GetNetwork(cryptoCode);
diff --git a/BTCPayServer/HostedServices/InvoiceWatcher.cs b/BTCPayServer/HostedServices/InvoiceWatcher.cs
index 41c6fdf45..b813726b2 100644
--- a/BTCPayServer/HostedServices/InvoiceWatcher.cs
+++ b/BTCPayServer/HostedServices/InvoiceWatcher.cs
@@ -278,7 +278,7 @@ namespace BTCPayServer.HostedServices
         private IEnumerable<Task<NetworkCoins>> GetCoinsPerNetwork(UpdateInvoiceContext context, InvoiceEntity invoice, DerivationStrategy[] strategies)
         {
             return strategies
-                                .Select(d => (Wallet: _WalletProvider.GetWallet(d.Network),
+                                .Select(d => (Wallet: _WalletProvider.IsAvailable(d.Network) ? _WalletProvider.GetWallet(d.Network) : null,
                                               Network: d.Network,
                                               Strategy: d.DerivationStrategyBase))
                                 .Where(d => d.Wallet != null)
@@ -445,8 +445,8 @@ namespace BTCPayServer.HostedServices
             leases.Add(_EventAggregator.Subscribe<Events.TxOutReceivedEvent>(async b => { await NotifyReceived(b.ScriptPubKey, b.Network); }));
             leases.Add(_EventAggregator.Subscribe<Events.InvoiceEvent>(async b =>
             {
-                if(b.Name == "invoice_created")
-                { 
+                if (b.Name == "invoice_created")
+                {
                     await Watch(b.InvoiceId);
                 }
             }));
diff --git a/BTCPayServer/HostedServices/NBXplorerWaiter.cs b/BTCPayServer/HostedServices/NBXplorerWaiter.cs
index e25731f91..e6d7faf9c 100644
--- a/BTCPayServer/HostedServices/NBXplorerWaiter.cs
+++ b/BTCPayServer/HostedServices/NBXplorerWaiter.cs
@@ -41,6 +41,11 @@ namespace BTCPayServer.HostedServices
             return _Summaries.All(s => s.Value.Status != null && s.Value.Status.IsFullySynched);
         }
 
+        public bool IsFullySynched(string cryptoCode)
+        {
+            return _Summaries.Any(s => s.Key.Equals(cryptoCode, StringComparison.OrdinalIgnoreCase) && s.Value.Status != null && s.Value.Status.IsFullySynched);
+        }
+
         public IEnumerable<NBXplorerSummary> GetAll()
         {
             return _Summaries.Values;
diff --git a/BTCPayServer/Services/Wallets/BTCPayWalletProvider.cs b/BTCPayServer/Services/Wallets/BTCPayWalletProvider.cs
index 0c1971a4f..f62426e98 100644
--- a/BTCPayServer/Services/Wallets/BTCPayWalletProvider.cs
+++ b/BTCPayServer/Services/Wallets/BTCPayWalletProvider.cs
@@ -38,5 +38,10 @@ namespace BTCPayServer.Services.Wallets
                 return null;
             return new BTCPayWallet(client, _TransactionCacheProvider.GetTransactionCache(network), network);
         }
+
+        public bool IsAvailable(BTCPayNetwork network)
+        {
+            return _Client.IsAvailable(network);
+        }
     }
 }