diff --git a/lib/active_record/connection_adapters/sqlserver_adapter.rb b/lib/active_record/connection_adapters/sqlserver_adapter.rb
index da8fd8411..666f91047 100644
--- a/lib/active_record/connection_adapters/sqlserver_adapter.rb
+++ b/lib/active_record/connection_adapters/sqlserver_adapter.rb
@@ -483,7 +483,8 @@ def type_map
 
       def translate_exception(exception, message:, sql:, binds:)
         case message
-        when /(SQL Server client is not connected)|(failed to execute statement)|(failed dbsqlsend)/i
+        when /(SQL Server client is not connected)|(failed to execute statement)|(failed dbsqlsend)/i,
+             /(DBPROCESS is dead or not enabled)/i
           ConnectionNotEstablished.new(message, connection_pool: @pool)
         when /(cannot insert duplicate key .* with unique index) | (violation of (unique|primary) key constraint)/i
           RecordNotUnique.new(message, sql: sql, binds: binds, connection_pool: @pool)
diff --git a/test/cases/adapter_test_sqlserver.rb b/test/cases/adapter_test_sqlserver.rb
index 4fff78dff..610b361e5 100644
--- a/test/cases/adapter_test_sqlserver.rb
+++ b/test/cases/adapter_test_sqlserver.rb
@@ -41,6 +41,14 @@ class AdapterTestSQLServer < ActiveRecord::TestCase
     assert_raise(ActiveRecord::StatementInvalid) { Topic.lease_connection.update("UPDATE XXX") }
   end
 
+  it "translates a dead DBPROCESS TinyTds error into a connection not established error" do
+    exception = TinyTds::Error.new("DBPROCESS is dead or not enabled")
+    translated = connection.send(
+      :translate_exception, exception, message: exception.message, sql: "SELECT 1", binds: []
+    )
+    assert_kind_of ActiveRecord::ConnectionNotEstablished, translated
+  end
+
   it "is has our adapter_name" do
     assert_equal "SQLServer", connection.adapter_name
   end