gistfile1.txt

iff --git a/src/GWallet.Backend/Ether/EtherServer.fs b/src/GWallet.Backend/Ether/EtherServer.fs
index f7d4c7e..15e9d50 100644
--- a/src/GWallet.Backend/Ether/EtherServer.fs
+++ b/src/GWallet.Backend/Ether/EtherServer.fs
@@ -40,14 +40,6 @@ module Server =
     type ServerChannelNegotiationException(message:string, innerException: Exception) =
        inherit ConnectionUnsuccessfulException (message, innerException)

-    type ServerMisconfiguredException =
-       inherit ConnectionUnsuccessfulException
-
-       new (message:string, innerException: Exception) =
-           { inherit ConnectionUnsuccessfulException (message, innerException) }
-       new (message:string) =
-           { inherit ConnectionUnsuccessfulException (message) }
-
     type ServerRestrictiveException(message:string, innerException: Exception) =
        inherit ConnectionUnsuccessfulException (message, innerException)

diff --git a/src/GWallet.Backend/Networking.fs b/src/GWallet.Backend/Networking.fs
index b343ea9..cdeefb6 100644
--- a/src/GWallet.Backend/Networking.fs
+++ b/src/GWallet.Backend/Networking.fs
@@ -35,6 +35,14 @@ type ServerTimedOutException =
 type ServerUnreachableException(message:string, innerException: Exception) =
    inherit ConnectionUnsuccessfulException (message, innerException)

+type ServerMisconfiguredException =
+   inherit ConnectionUnsuccessfulException
+
+   new (message:string, innerException: Exception) =
+       { inherit ConnectionUnsuccessfulException (message, innerException) }
+   new (message:string) =
+       { inherit ConnectionUnsuccessfulException (message) }
+
 module Networking =

     // Ubuntu 18.04 LTS still brings a very old version of Mono (4.6.2) that doesn't have TLS1.2 support
diff --git a/src/GWallet.Backend/UtxoCoin/StratumClient.fs b/src/GWallet.Backend/UtxoCoin/StratumClient.fs
index 1795ad0..1114dea 100644
--- a/src/GWallet.Backend/UtxoCoin/StratumClient.fs
+++ b/src/GWallet.Backend/UtxoCoin/StratumClient.fs
@@ -112,6 +112,10 @@ type StratumClient (jsonRpcClient: JsonRpcTcpClient) =
         | :? ElectrumServerReturningErrorInJsonResponseException as ex ->
             if (ex.ErrorCode = -32603) then
                 return raise(ElectrumServerReturningInternalErrorException(ex.Message, ex.ErrorCode, jsonRequest, rawResponse))
+            if ex.ErrorCode = -32601 then
+                return raise <| ServerMisconfiguredException(ex.Message, ex)
+            elif ex.ErrorCode = -101 then
+                return raise <| ServerUnavailabilityException(ex.Message, ex)
             return raise(ElectrumServerReturningErrorException(ex.Message, ex.ErrorCode, jsonRequest, rawResponse))
     }