diff --git a/src/realm/sync/client.cpp b/src/realm/sync/client.cpp
index 214a938969..5a1d130727 100644
--- a/src/realm/sync/client.cpp
+++ b/src/realm/sync/client.cpp
@@ -827,15 +827,7 @@ bool SessionImpl::process_flx_bootstrap_message(const DownloadMessage& message)
         return true;
     }
 
-    try {
-        process_pending_flx_bootstrap(); // throws
-    }
-    catch (const IntegrationException& e) {
-        on_integration_failure(e);
-    }
-    catch (...) {
-        on_integration_failure(IntegrationException(exception_to_status()));
-    }
+    try_process_pending_flx_bootstrap();
 
     return true;
 }
@@ -847,6 +839,10 @@ void SessionImpl::process_pending_flx_bootstrap()
     if (!m_is_flx_sync_session || m_state != State::Active) {
         return;
     }
+    // Ignore the call if the client detects an error.
+    if (m_client_error) {
+        return;
+    }
     auto bootstrap_store = m_wrapper.get_flx_pending_bootstrap_store();
     if (!bootstrap_store->has_pending()) {
         return;
@@ -917,6 +913,19 @@ void SessionImpl::process_pending_flx_bootstrap()
     REALM_ASSERT_EX(action == SyncClientHookAction::NoAction || action == SyncClientHookAction::EarlyReturn, action);
 }
 
+void SessionImpl::try_process_pending_flx_bootstrap()
+{
+    try {
+        process_pending_flx_bootstrap(); // throws
+    }
+    catch (const IntegrationException& error) {
+        on_integration_failure(error);
+    }
+    catch (...) {
+        on_integration_failure(IntegrationException(exception_to_status()));
+    }
+}
+
 void SessionImpl::on_flx_sync_error(int64_t version, std::string_view err_msg)
 {
     // Ignore the call if the session is not active
diff --git a/src/realm/sync/noinst/client_impl_base.cpp b/src/realm/sync/noinst/client_impl_base.cpp
index 96bbc2456d..6f327e2e5c 100644
--- a/src/realm/sync/noinst/client_impl_base.cpp
+++ b/src/realm/sync/noinst/client_impl_base.cpp
@@ -1513,15 +1513,7 @@ void Session::cancel_resumption_delay()
     if (unbind_process_complete())
         initiate_rebind(); // Throws
 
-    try {
-        process_pending_flx_bootstrap(); // throws
-    }
-    catch (const IntegrationException& error) {
-        on_integration_failure(error);
-    }
-    catch (...) {
-        on_integration_failure(IntegrationException(exception_to_status()));
-    }
+    try_process_pending_flx_bootstrap();
 
     m_conn.one_more_active_unsuspended_session(); // Throws
     if (m_try_again_activation_timer) {
@@ -1709,6 +1701,8 @@ void Session::activate()
     REALM_ASSERT(!m_suspended);
     m_conn.one_more_active_unsuspended_session(); // Throws
 
+    try_process_pending_flx_bootstrap();
+
     // Checks if there is a pending client reset
     handle_pending_client_reset_acknowledgement();
 }
diff --git a/src/realm/sync/noinst/client_impl_base.hpp b/src/realm/sync/noinst/client_impl_base.hpp
index 3b4b20ed7a..37daa16aa5 100644
--- a/src/realm/sync/noinst/client_impl_base.hpp
+++ b/src/realm/sync/noinst/client_impl_base.hpp
@@ -932,6 +932,7 @@ class ClientImpl::Session {
 
     // Processes any pending FLX bootstraps, if one exists. Otherwise this is a noop.
     void process_pending_flx_bootstrap();
+    void try_process_pending_flx_bootstrap();
 
     bool client_reset_if_needed();
     void handle_pending_client_reset_acknowledgement();
@@ -941,7 +942,6 @@ class ClientImpl::Session {
     void begin_resumption_delay(const ProtocolErrorInfo& error_info);
     void clear_resumption_delay_state();
 
-private:
     Connection& m_conn;
     const session_ident_type m_ident;
 
@@ -1398,15 +1398,7 @@ inline void ClientImpl::Session::connection_established(bool fast_reconnect)
     // the bind messsage
     call_debug_hook(SyncClientHookEvent::SessionConnected);
 
-    try {
-        process_pending_flx_bootstrap(); // throws
-    }
-    catch (const IntegrationException& error) {
-        on_integration_failure(error);
-    }
-    catch (...) {
-        on_integration_failure(IntegrationException(exception_to_status()));
-    }
+    try_process_pending_flx_bootstrap();
 
     if (!m_suspended) {
         // Ready to send BIND message