diff --git a/DigitalData.Auth.Client/AuthClient.cs b/DigitalData.Auth.Client/AuthClient.cs
index 2e69171..4601509 100644
--- a/DigitalData.Auth.Client/AuthClient.cs
+++ b/DigitalData.Auth.Client/AuthClient.cs
@@ -39,11 +39,32 @@ public class AuthClient : IAuthClient, IHostedService
 
     public async Task StartAsync(CancellationToken cancellationToken = default)
     {
-        await _connection.StartAsync(cancellationToken);
+        while(!await TryStartConnectionAsync(cancellationToken))
+        {
+            if (_params.RetryDelay is not null)
+                await Task.Delay(_params.RetryDelay.Value.Milliseconds, cancellationToken);
+            else
+                return;
+        }
+        
         IsConnected = true;
         await GetAllPublicKeysAsync();
     }
 
+    private async Task<bool> TryStartConnectionAsync(CancellationToken cancellationToken = default)
+    {
+        try
+        {
+            await _connection.StartAsync(cancellationToken);
+            return true;
+        }
+        catch(HttpRequestException ex)
+        {
+            _logger?.LogError(ex, "Connection is failed. {message}", ex.Message);
+            return false;
+        }
+    }
+
     public async Task StopAsync(CancellationToken cancellationToken)
     {
         await _connection.StopAsync(cancellationToken);