diff --git a/Source/Applications/openHistorian/openHistorian/ServiceHost.cs b/Source/Applications/openHistorian/openHistorian/ServiceHost.cs
index 45c34394ed..ce7443d3af 100644
--- a/Source/Applications/openHistorian/openHistorian/ServiceHost.cs
+++ b/Source/Applications/openHistorian/openHistorian/ServiceHost.cs
@@ -1041,7 +1041,14 @@ private void SetupGrafanaHostingAdapter()
 
                 // Define default adapter connection string if none is defined
                 if (string.IsNullOrWhiteSpace(actionAdapter.ConnectionString))
-                    actionAdapter.ConnectionString = $"FileName={DefaultGrafanaServerPath}; WorkingDirectory=Grafana; ForceKillOnDispose=True; ProcessOutputAsLogMessages=True; LogMessageTextExpression={{(?<=.*msg\\s*\\=\\s*\\\")[^\\\"]*(?=\\\")|(?<=.*file\\s*\\=\\s*\\\")[^\\\"]*(?=\\\")|(?<=.*file\\s*\\=\\s*)[^\\s]*(?=s|$)|(?<=.*path\\s*\\=\\s*\\\")[^\\\"]*(?=\\\")|(?<=.*path\\s*\\=\\s*)[^\\s]*(?=s|$)|(?<=.*error\\s*\\=\\s*\\\")[^\\\"]*(?=\\\")|(?<=.*reason\\s*\\=\\s*\\\")[^\\\"]*(?=\\\")|(?<=.*id\\s*\\=\\s*\\\")[^\\\"]*(?=\\\")|(?<=.*version\\s*\\=\\s*)[^\\s]*(?=\\s|$)|(?<=.*dbtype\\s*\\=\\s*)[^\\s]*(?=\\s|$)|(?<=.*)commit\\s*\\=\\s*[^\\s]*(?=\\s|$)|(?<=.*)compiled\\s*\\=\\s*[^\\s]*(?=\\s|$)|(?<=.*)address\\s*\\=\\s*[^\\s]*(?=\\s|$)|(?<=.*)protocol\\s*\\=\\s*[^\\s]*(?=\\s|$)|(?<=.*)subUrl\\s*\\=\\s*[^\\s]*(?=\\s|$)|(?<=.*)code\\s*\\=\\s*[^\\s]*(?=\\s|$)|(?<=.*name\\s*\\=\\s*)[^\\s]*(?=\\s|$)}}; LogMessageLevelExpression={{(?<=.*lvl\\s*\\=\\s*)[^\\s]*(?=\\s|$)}}; LogMessageLevelMappings={{info=Info; warn=Waning; error=Error; critical=Critical; debug=Debug}}";
+                    actionAdapter.ConnectionString = actionAdapter.ConnectionString =
+                        $"FileName={DefaultGrafanaServerPath}; " +
+                        "WorkingDirectory=Grafana; " +
+                        "ForceKillOnDispose=True; " +
+                        "ProcessOutputAsLogMessages=True; " +
+                        "LogMessageTextExpression={(?<=.*msg\\s*\\=\\s*\\\")[^\\\"]*(?=\\\")|(?<=.*file\\s*\\=\\s*\\\")[^\\\"]*(?=\\\")|(?<=.*file\\s*\\=\\s*)[^\\s]*(?=s|$)|(?<=.*path\\s*\\=\\s*\\\")[^\\\"]*(?=\\\")|(?<=.*path\\s*\\=\\s*)[^\\s]*(?=s|$)|(?<=.*error\\s*\\=\\s*\\\")[^\\\"]*(?=\\\")|(?<=.*reason\\s*\\=\\s*\\\")[^\\\"]*(?=\\\")|(?<=.*id\\s*\\=\\s*\\\")[^\\\"]*(?=\\\")|(?<=.*version\\s*\\=\\s*)[^\\s]*(?=\\s|$)|(?<=.*dbtype\\s*\\=\\s*)[^\\s]*(?=\\s|$)|(?<=.*)commit\\s*\\=\\s*[^\\s]*(?=\\s|$)|(?<=.*)compiled\\s*\\=\\s*[^\\s]*(?=\\s|$)|(?<=.*)address\\s*\\=\\s*[^\\s]*(?=\\s|$)|(?<=.*)protocol\\s*\\=\\s*[^\\s]*(?=\\s|$)|(?<=.*)subUrl\\s*\\=\\s*[^\\s]*(?=\\s|$)|(?<=.*)code\\s*\\=\\s*[^\\s]*(?=\\s|$)|(?<=.*name\\s*\\=\\s*)[^\\s]*(?=\\s|$)}; " +
+                        "LogMessageLevelExpression={(?<=.*lvl\\s*\\=\\s*)[^\\s]*(?=\\s|$)}; " +
+                        "LogMessageLevelMappings={info=Info; warn=Waning; error=Error; critical=Critical; debug=Debug}";
 
                 // Preserve connection string on existing records except for Grafana server executable path that comes from configuration file
                 Dictionary<string, string> settings = actionAdapter.ConnectionString.ParseKeyValuePairs();