diff --git a/Oqtane.Client/Shared/Installer.razor b/Oqtane.Client/Shared/Installer.razor
index e252a76e..1579151d 100644
--- a/Oqtane.Client/Shared/Installer.razor
+++ b/Oqtane.Client/Shared/Installer.razor
@@ -2,7 +2,6 @@
 @inject NavigationManager NavigationManager
 @inject IInstallationService InstallationService
 @inject ISiteService SiteService
-@inject ITenantService TenantService
 @inject IUserService UserService
 
 <div class="container">
@@ -172,9 +171,8 @@
             GenericResponse response = await InstallationService.Install(connectionstring);
             if (response.Success)
             {
-                List<Tenant> tenants = await TenantService.GetTenantsAsync();
                 Site site = new Site();
-                site.TenantId = tenants.FirstOrDefault().TenantId;
+                site.TenantId = -1; // will be populated on server
                 site.Name = "Default Site";
                 site.Logo = "oqtane.png";
                 site.DefaultThemeType = Constants.DefaultTheme;
diff --git a/Oqtane.Server/Controllers/SiteController.cs b/Oqtane.Server/Controllers/SiteController.cs
index 74e668a0..8eff16aa 100644
--- a/Oqtane.Server/Controllers/SiteController.cs
+++ b/Oqtane.Server/Controllers/SiteController.cs
@@ -50,7 +50,10 @@ namespace Oqtane.Controllers
                 bool authorized;
                 if (!Sites.GetSites().Any())
                 {
-                    authorized = true; // provision initial site during installation
+                    // provision initial site during installation
+                    authorized = true; 
+                    Tenant tenant = Tenants.GetTenant();
+                    Site.TenantId = tenant.TenantId;
                 }
                 else
                 {
diff --git a/Oqtane.Server/Controllers/TenantController.cs b/Oqtane.Server/Controllers/TenantController.cs
index 22400722..ff7843f4 100644
--- a/Oqtane.Server/Controllers/TenantController.cs
+++ b/Oqtane.Server/Controllers/TenantController.cs
@@ -22,6 +22,7 @@ namespace Oqtane.Controllers
 
         // GET: api/<controller>
         [HttpGet]
+        [Authorize(Roles = Constants.HostRole)]
         public IEnumerable<Tenant> Get()
         {
             return Tenants.GetTenants();
@@ -29,6 +30,7 @@ namespace Oqtane.Controllers
 
         // GET api/<controller>/5
         [HttpGet("{id}")]
+        [Authorize(Roles = Constants.HostRole)]
         public Tenant Get(int id)
         {
             return Tenants.GetTenant(id);
diff --git a/Oqtane.Server/Infrastructure/LogManager.cs b/Oqtane.Server/Infrastructure/LogManager.cs
index 8622abec..52a54e00 100644
--- a/Oqtane.Server/Infrastructure/LogManager.cs
+++ b/Oqtane.Server/Infrastructure/LogManager.cs
@@ -95,27 +95,29 @@ namespace Oqtane.Infrastructure
                         names.Add(message.Substring(index + 1, message.IndexOf("}", index) - index - 1));
                         if (values.Length > (names.Count - 1))
                         {
-                            message = message.Replace("{" + names[names.Count - 1] + "}", values[names.Count - 1]?.ToString() ?? "null");
+                            if (values[names.Count - 1] == null)
+                            {
+                                message = message.Replace("{" + names[names.Count - 1] + "}", "null");
+                            }
+                            else
+                            {
+                                message = message.Replace("{" + names[names.Count - 1] + "}", values[names.Count - 1].ToString());
+                            }
                         }
                     }
                     index = message.IndexOf("{", index + 1);
                 }
                 // rebuild properties into dictionary
-                Dictionary<string, string> propertydictionary = new Dictionary<string, string>();
+                Dictionary<string, object> propertydictionary = new Dictionary<string, object>();
                 for (int i = 0; i < values.Length; i++)
                 {
-                    string value = "";
-                    if (values[i] != null)
-                    {
-                        value = values[i].ToString();
-                    }
                     if (i < names.Count)
                     {
-                        propertydictionary.Add(names[i], value);
+                        propertydictionary.Add(names[i], values[i]);
                     }
                     else
                     {
-                        propertydictionary.Add("Property" + i.ToString(), value);
+                        propertydictionary.Add("Property" + i.ToString(), values[i]);
                     }
                 }
                 properties = JsonSerializer.Serialize(propertydictionary);