diff --git a/server/AyaNova/util/License.cs b/server/AyaNova/util/License.cs
index 1e634aa0..6534454c 100644
--- a/server/AyaNova/util/License.cs
+++ b/server/AyaNova/util/License.cs
@@ -33,6 +33,11 @@ namespace AyaNova.Core
         //Unlicensed token
         private const string UNLICENSED_TOKEN = "UNLICENSED";
 
+        //REVOKED token
+        private const string REVOKED_TOKEN = "REVOKED";
+
+
+
         //Scheduleable users 
         private const string SERVICE_TECHS_FEATURE_NAME = "ServiceTechs";
 
@@ -80,7 +85,8 @@ namespace AyaNova.Core
                 ActiveTrial = 1,
                 ExpiredTrial = 2,
                 ActivePurchased = 3,
-                ExpiredPurchased = 4
+                ExpiredPurchased = 4,
+                Revoked = 5
             }
 
             public AyaNovaLicenseKey()
@@ -147,8 +153,12 @@ namespace AyaNova.Core
             {
                 get
                 {
+                    return LicenseStatus.Revoked;
+
                     if (string.IsNullOrWhiteSpace(RegisteredTo) || RegisteredTo == UNLICENSED_TOKEN)
                         return LicenseStatus.NONE;
+                    if (RegisteredTo == REVOKED_TOKEN)
+                        return LicenseStatus.Revoked;
                     if (TrialLicense && !LicenseExpired)
                         return LicenseStatus.ActiveTrial;
                     if (TrialLicense && LicenseExpired)
@@ -157,6 +167,7 @@ namespace AyaNova.Core
                         return LicenseStatus.ActivePurchased;
                     if (!TrialLicense && LicenseExpired)
                         return LicenseStatus.ExpiredPurchased;
+
                     throw new System.Exception("License::Status - unable to determine license status");
                 }
             }
@@ -242,7 +253,7 @@ namespace AyaNova.Core
         //   ""Key"": { 
         //     ""LicenseFormat"": ""2018"",       
         //     ""Id"": ""34-1516288681"", <----Customer id followed by key serial id
-        //     ""RegisteredTo"": ""Super TestCo"",
+        //     ""RegisteredTo"": ""Super TestCo"", or "REVOKED" if revoked
         //     ""DBID"": ""df558559-7f8a-4c7b-955c-959ebcdf71f3"",
         //     ""LicenseExpiration"": ""2019-01-18T07:18:01.2329138-08:00"", <--- UTC, DateTime  if perpetual license 1/1/5555 indicates not expiring 
         //     ""MaintenanceExpiration"": ""2019-01-18T07:18:01.2329138-08:00"", <-- UTC, DateTime support and updates subscription runs out, applies to all features
@@ -573,6 +584,14 @@ namespace AyaNova.Core
                     return;
                 }
 
+                if (_ActiveLicense.Status == AyaNovaLicenseKey.LicenseStatus.Revoked)
+                {
+                    var msg = $"E1020 - License key revoked";
+                    apiServerState.SetSystemLock(msg);
+                    log.LogCritical(msg);
+                    return;
+                }
+
                 //Has someone been trying funny business with the active techs in the db?
                 if (await AyaNova.Biz.UserBiz.ActiveCountAsync() > _ActiveLicense.ActiveNumber)
                 {