diff --git a/components/brave_rewards/resources/extension/brave_rewards/_locales/en_US/messages.json b/components/brave_rewards/resources/extension/brave_rewards/_locales/en_US/messages.json
index 88ea42ddcdc6..026fcb36c1d1 100644
--- a/components/brave_rewards/resources/extension/brave_rewards/_locales/en_US/messages.json
+++ b/components/brave_rewards/resources/extension/brave_rewards/_locales/en_US/messages.json
@@ -219,6 +219,24 @@
     "message": "Please backup your Brave wallet.",
     "description": "Description for backup wallet notification"
   },
+  "mismatchedProviderAccountsLearnMore": {
+    "message": "Learn More",
+    "description": "Notification button text to learn more about linking with a custodian account"
+  },
+  "mismatchedProviderAccountsTitle": {
+    "message": "Error: Different account",
+    "description": "Title for mismatched provider accounts notification"
+  },
+  "mismatchedProviderAccountsNotification": {
+    "message": "Hmm, it looks like your Brave Rewards wallet has already been verified with another $name$ account. Please try verifying again using your previous account.",
+    "description": "Description for mismatched provider accounts notification",
+    "placeholders": {
+      "name": {
+        "content": "$1",
+        "example": "Uphold"
+      }
+    }
+  },
   "upholdBATNotAllowedForUserLearnMore": {
     "message": "Learn More",
     "description": "Notification button text to learn more about why BAT is not allowed for user"
diff --git a/components/brave_rewards/resources/extension/brave_rewards/background/api/locale_api.ts b/components/brave_rewards/resources/extension/brave_rewards/background/api/locale_api.ts
index f08df0b87556..67936be043d0 100644
--- a/components/brave_rewards/resources/extension/brave_rewards/background/api/locale_api.ts
+++ b/components/brave_rewards/resources/extension/brave_rewards/background/api/locale_api.ts
@@ -63,6 +63,9 @@ export const getUIMessages = (): Record<string, string> => {
     'includeInAuto',
     'insufficientFunds',
     'insufficientFundsNotification',
+    'mismatchedProviderAccountsLearnMore',
+    'mismatchedProviderAccountsNotification',
+    'mismatchedProviderAccountsTitle',
     'monthApr',
     'monthAug',
     'monthDec',
diff --git a/components/brave_rewards/resources/extension/brave_rewards/components/panel.tsx b/components/brave_rewards/resources/extension/brave_rewards/components/panel.tsx
index 6e321ea2cb4e..8b2198495874 100644
--- a/components/brave_rewards/resources/extension/brave_rewards/components/panel.tsx
+++ b/components/brave_rewards/resources/extension/brave_rewards/components/panel.tsx
@@ -201,6 +201,8 @@ export class Panel extends React.Component<Props, State> {
 
   onDeviceLimitReached = this.onEvent('https://support.brave.com/hc/en-us/articles/360056508071')
 
+  onMismatchedProviderAccounts = this.onEvent('https://support.brave.com/hc/en-us/articles/360034841711-What-is-a-verified-wallet-')
+
   onUpholdBATNotAllowedForUser = this.onEvent('https://support.uphold.com/hc/en-us/articles/360033020351-Brave-BAT-and-US-availability')
 
   onUpholdBlockedUser = this.onEvent('https://support.uphold.com/hc/en-us/articles/360045765351-Why-we-block-or-restrict-accounts-and-how-to-reduce-the-risk')
@@ -348,11 +350,14 @@ export class Panel extends React.Component<Props, State> {
       case 'backupWallet':
         clickEvent = this.onBackupWallet.bind(this, id)
         break
+      case 'deviceLimitReached':
+        clickEvent = this.onDeviceLimitReached.bind(this, id)
+        break
       case 'insufficientFunds':
         clickEvent = this.onAddFunds.bind(this, id)
         break
-      case 'deviceLimitReached':
-        clickEvent = this.onDeviceLimitReached.bind(this, id)
+      case 'mismatchedProviderAccounts':
+        clickEvent = this.onMismatchedProviderAccounts.bind(this, id)
         break
       case 'upholdBATNotAllowedForUser':
         clickEvent = this.onUpholdBATNotAllowedForUser.bind(this, id)
@@ -469,16 +474,10 @@ export class Panel extends React.Component<Props, State> {
         }
 
         switch (args[0]) {
-          case 'wallet_new_verified': {
-            text = (
-              <>
-                <div><b>{getMessage('walletVerifiedNotification')}</b></div>
-                {getMessage('walletVerifiedTextNotification', [args[1]])}
-              </>
-            )
-            isAlert = 'success'
+          case 'wallet_device_limit_reached':
+            type = 'deviceLimitReached'
+            text = getMessage('deviceLimitReachedNotification')
             break
-          }
           case 'wallet_disconnected': {
             text = (
               <>
@@ -489,10 +488,20 @@ export class Panel extends React.Component<Props, State> {
             isAlert = 'error'
             break
           }
-          case 'wallet_device_limit_reached':
-            type = 'deviceLimitReached'
-            text = getMessage('deviceLimitReachedNotification')
+          case 'wallet_mismatched_provider_accounts':
+            type = 'mismatchedProviderAccounts'
+            text = getMessage('mismatchedProviderAccountsNotification', [args[1]])
             break
+          case 'wallet_new_verified': {
+            text = (
+              <>
+                <div><b>{getMessage('walletVerifiedNotification')}</b></div>
+                {getMessage('walletVerifiedTextNotification', [args[1]])}
+              </>
+            )
+            isAlert = 'success'
+            break
+          }
           case 'uphold_bat_not_allowed_for_user':
             type = 'upholdBATNotAllowedForUser'
             text = getMessage('upholdBATNotAllowedForUserNotification')
diff --git a/components/brave_rewards/resources/ui/components/walletWrapper/index.tsx b/components/brave_rewards/resources/ui/components/walletWrapper/index.tsx
index 196fd3aba273..bea846f9b8b8 100644
--- a/components/brave_rewards/resources/ui/components/walletWrapper/index.tsx
+++ b/components/brave_rewards/resources/ui/components/walletWrapper/index.tsx
@@ -97,6 +97,7 @@ export type NotificationType =
   'error' |
   'grant' |
   'insufficientFunds' |
+  'mismatchedProviderAccounts' |
   'pendingContribution' |
   'tipsProcessed' |
   'upholdBATNotAllowedForUser' |
@@ -279,6 +280,7 @@ export default class WalletWrapper extends React.PureComponent<Props, State> {
         buttonAction = this.onNotificationClick
         break
       case 'deviceLimitReached':
+      case 'mismatchedProviderAccounts':
       case 'upholdBATNotAllowedForUser':
       case 'upholdBlockedUser':
       case 'upholdPendingUser':
@@ -465,6 +467,7 @@ export default class WalletWrapper extends React.PureComponent<Props, State> {
       case 'backupWallet':
       case 'deviceLimitReached':
       case 'insufficientFunds':
+      case 'mismatchedProviderAccounts':
       case 'upholdBATNotAllowedForUser':
       case 'upholdBlockedUser':
       case 'upholdPendingUser':
@@ -500,6 +503,7 @@ export default class WalletWrapper extends React.PureComponent<Props, State> {
     switch (notification.type) {
       case 'backupWallet':
       case 'deviceLimitReached':
+      case 'mismatchedProviderAccounts':
       case 'pendingContribution':
       case 'upholdBATNotAllowedForUser':
       case 'upholdBlockedUser':
diff --git a/vendor/bat-native-ledger/src/bat/ledger/internal/endpoint/promotion/post_claim_uphold/post_claim_uphold.cc b/vendor/bat-native-ledger/src/bat/ledger/internal/endpoint/promotion/post_claim_uphold/post_claim_uphold.cc
index f0a59e0290c4..8374f78499d3 100644
--- a/vendor/bat-native-ledger/src/bat/ledger/internal/endpoint/promotion/post_claim_uphold/post_claim_uphold.cc
+++ b/vendor/bat-native-ledger/src/bat/ledger/internal/endpoint/promotion/post_claim_uphold/post_claim_uphold.cc
@@ -121,7 +121,7 @@ type::Result PostClaimUphold::CheckStatusCode(const int status_code) const {
 
   if (status_code == net::HTTP_FORBIDDEN) {
     BLOG(0, "Forbidden");
-    return type::Result::LEDGER_ERROR;
+    return type::Result::TOO_MANY_RESULTS;
   }
 
   if (status_code == net::HTTP_NOT_FOUND) {
@@ -130,7 +130,7 @@ type::Result PostClaimUphold::CheckStatusCode(const int status_code) const {
   }
 
   if (status_code == net::HTTP_CONFLICT) {
-    BLOG(0, "Not found");
+    BLOG(0, "Conflict");
     return type::Result::ALREADY_EXISTS;
   }
 
diff --git a/vendor/bat-native-ledger/src/bat/ledger/internal/endpoint/promotion/post_claim_uphold/post_claim_uphold_unittest.cc b/vendor/bat-native-ledger/src/bat/ledger/internal/endpoint/promotion/post_claim_uphold/post_claim_uphold_unittest.cc
index 867fc42e84e2..813874d7604d 100644
--- a/vendor/bat-native-ledger/src/bat/ledger/internal/endpoint/promotion/post_claim_uphold/post_claim_uphold_unittest.cc
+++ b/vendor/bat-native-ledger/src/bat/ledger/internal/endpoint/promotion/post_claim_uphold/post_claim_uphold_unittest.cc
@@ -92,7 +92,7 @@ TEST_F(PostClaimUpholdTest, ServerError403) {
 
   claim_->Request(30.0, "address",
                   [](const type::Result result, const std::string& address) {
-                    EXPECT_EQ(result, type::Result::LEDGER_ERROR);
+                    EXPECT_EQ(result, type::Result::TOO_MANY_RESULTS);
                     EXPECT_EQ(address, kExpectedAddress);
                   });
 }
diff --git a/vendor/bat-native-ledger/src/bat/ledger/internal/logging/event_log_keys.h b/vendor/bat-native-ledger/src/bat/ledger/internal/logging/event_log_keys.h
index 790dd0ed8330..c3043b289d4b 100644
--- a/vendor/bat-native-ledger/src/bat/ledger/internal/logging/event_log_keys.h
+++ b/vendor/bat-native-ledger/src/bat/ledger/internal/logging/event_log_keys.h
@@ -12,16 +12,17 @@ namespace ledger {
 namespace log {
 
 const char kACAddedToQueue[] = "ac_added_to_queue";
-const char kWalletConnected[] = "wallet_connected";
-const char kWalletVerified[] = "wallet_verified";
-const char kWalletDisconnected[] = "wallet_disconnected";
-const char kRecurringTipAdded[] = "recurring_tip_added";
-const char kRecurringTipRemoved[] = "recurring_tip_removed";
 const char kDatabaseMigrated[] = "database_migrated";
+const char kDeviceLimitReached[] = "device_limit_reached";
+const char kMismatchedProviderAccounts[] = "mismatched_provider_accounts";
 const char kPromotionsClaimed[] = "promotion_claimed";
+const char kRecurringTipAdded[] = "recurring_tip_added";
+const char kRecurringTipRemoved[] = "recurring_tip_removed";
+const char kWalletConnected[] = "wallet_connected";
+const char kWalletDisconnected[] = "wallet_disconnected";
 const char kWalletRecovered[] = "wallet_recovered";
-const char kDeviceLimitReached[] = "device_limit_reached";
 const char kWalletStatusChange[] = "wallet_status_change";
+const char kWalletVerified[] = "wallet_verified";
 
 }  // namespace log
 }  // namespace ledger
diff --git a/vendor/bat-native-ledger/src/bat/ledger/internal/notifications/notification_keys.h b/vendor/bat-native-ledger/src/bat/ledger/internal/notifications/notification_keys.h
index 1570b0926e16..2418c237b0e7 100644
--- a/vendor/bat-native-ledger/src/bat/ledger/internal/notifications/notification_keys.h
+++ b/vendor/bat-native-ledger/src/bat/ledger/internal/notifications/notification_keys.h
@@ -10,6 +10,8 @@ namespace ledger {
 namespace notifications {
 
 const char kWalletDeviceLimitReached[] = "wallet_device_limit_reached";
+const char kWalletMismatchedProviderAccounts[] =
+    "wallet_mismatched_provider_accounts";
 const char kWalletDisconnected[] = "wallet_disconnected";
 const char kWalletNewVerified[] = "wallet_new_verified";
 
diff --git a/vendor/bat-native-ledger/src/bat/ledger/internal/uphold/uphold.cc b/vendor/bat-native-ledger/src/bat/ledger/internal/uphold/uphold.cc
index 24d23a25671f..6233f3e35a98 100644
--- a/vendor/bat-native-ledger/src/bat/ledger/internal/uphold/uphold.cc
+++ b/vendor/bat-native-ledger/src/bat/ledger/internal/uphold/uphold.cc
@@ -207,7 +207,7 @@ void Uphold::DisconnectWallet(const std::string& notification) {
   const bool shutting_down = ledger_->IsShuttingDown();
 
   if (!manual && !shutting_down) {
-    ledger_->ledger_client()->ShowNotification(notification, {},
+    ledger_->ledger_client()->ShowNotification(notification, {"Uphold"},
                                                [](type::Result _) {});
   }
 
diff --git a/vendor/bat-native-ledger/src/bat/ledger/internal/uphold/uphold_unittest.cc b/vendor/bat-native-ledger/src/bat/ledger/internal/uphold/uphold_unittest.cc
index bc2a7f1fba64..ee5214fe27aa 100644
--- a/vendor/bat-native-ledger/src/bat/ledger/internal/uphold/uphold_unittest.cc
+++ b/vendor/bat-native-ledger/src/bat/ledger/internal/uphold/uphold_unittest.cc
@@ -1109,8 +1109,37 @@ INSTANTIATE_TEST_SUITE_P(
       type::Result::ALREADY_EXISTS,
       type::WalletStatus::NOT_CONNECTED
     },
+    LinkWalletParamType{  // Mismatched provider accounts.
+      "01_mismatched_provider_accounts",
+      R"({ "status": 5, "token": "0047c2fd8f023e067354dbdb5639ee67acf77150" })",
+      type::UrlResponse{
+        {},
+        {},
+        net::HttpStatusCode::HTTP_OK,
+        R"({ "currencies": [ "BAT" ], "status": "ok", "memberAt": "2021-05-26T16:42:23.134Z" })",
+        {}
+      },
+      type::UrlResponse{
+        {},
+        {},
+        net::HttpStatusCode::HTTP_OK,
+        R"([ { "id": "962ef3b8-bc12-4619-a349-c8083931b795", "label": "Brave Browser" } ])",
+        {}
+      },
+      false,
+      R"({ "payment_id": "f375da3c-c206-4f09-9422-665b8e5952db", "recovery_seed": "OG2zYotDSeZ81qLtr/uq5k/GC6WE5/7BclT1lHi4l+w=" })",
+      type::UrlResponse{
+        {},
+        {},
+        net::HttpStatusCode::HTTP_FORBIDDEN,
+        {},
+        {}
+      },
+      type::Result::TOO_MANY_RESULTS,
+      type::WalletStatus::NOT_CONNECTED
+    },
     LinkWalletParamType{  // Rewards Link (Claim) Wallet failed.
-      "01_link_wallet_failed",
+      "02_link_wallet_failed",
       R"({ "status": 5, "token": "0047c2fd8f023e067354dbdb5639ee67acf77150" })",
       type::UrlResponse{
         {},
@@ -1139,7 +1168,7 @@ INSTANTIATE_TEST_SUITE_P(
       type::WalletStatus::PENDING
     },
     LinkWalletParamType{  // Happy path.
-      "02_happy_path",
+      "03_happy_path",
       R"({ "status": 5, "token": "0047c2fd8f023e067354dbdb5639ee67acf77150" })",
       type::UrlResponse{
         {},
diff --git a/vendor/bat-native-ledger/src/bat/ledger/internal/uphold/uphold_wallet.cc b/vendor/bat-native-ledger/src/bat/ledger/internal/uphold/uphold_wallet.cc
index b84830429eb9..32ff7a68e52c 100644
--- a/vendor/bat-native-ledger/src/bat/ledger/internal/uphold/uphold_wallet.cc
+++ b/vendor/bat-native-ledger/src/bat/ledger/internal/uphold/uphold_wallet.cc
@@ -272,6 +272,18 @@ void UpholdWallet::OnLinkWallet(const type::Result result,
     return callback(type::Result::ALREADY_EXISTS);
   }
 
+  if (result == type::Result::TOO_MANY_RESULTS) {
+    // Entering NOT_CONNECTED.
+    ledger_->uphold()->DisconnectWallet(
+        ledger::notifications::kWalletMismatchedProviderAccounts);
+
+    ledger_->database()->SaveEventLog(
+        log::kMismatchedProviderAccounts,
+        constant::kWalletUphold + std::string("/") + id.substr(0, 5));
+
+    return callback(type::Result::TOO_MANY_RESULTS);
+  }
+
   if (result != type::Result::LEDGER_OK) {
     return callback(type::Result::CONTINUE);
   }