diff --git a/dlls/msado15/Makefile.in b/dlls/msado15/Makefile.in
index f87e81af38d..b901944bc1e 100644
--- a/dlls/msado15/Makefile.in
+++ b/dlls/msado15/Makefile.in
@@ -1,8 +1,12 @@
 MODULE    = msado15.dll
+IMPORTS   = oleaut32
 
 EXTRADLLFLAGS = -mno-cygwin
 
 C_SRCS = \
+	connection.c \
 	main.c
 
-IDL_SRCS = msado15_tlb.idl
+IDL_SRCS = \
+	msado15_classes.idl \
+	msado15_tlb.idl
diff --git a/dlls/msado15/connection.c b/dlls/msado15/connection.c
new file mode 100644
index 00000000000..f33bc89a1ac
--- /dev/null
+++ b/dlls/msado15/connection.c
@@ -0,0 +1,344 @@
+/*
+ * Copyright 2019 Hans Leidekker for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <stdarg.h>
+#include "windef.h"
+#include "winbase.h"
+#define COBJMACROS
+#include "objbase.h"
+#include "msado15_backcompat.h"
+
+#include "wine/debug.h"
+#include "wine/heap.h"
+
+#include "msado15_private.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(msado15);
+
+struct connection
+{
+    _Connection Connection_iface;
+    LONG        refs;
+};
+
+static inline struct connection *impl_from_Connection( _Connection *iface )
+{
+    return CONTAINING_RECORD( iface, struct connection, Connection_iface );
+}
+
+static ULONG WINAPI connection_AddRef( _Connection *iface )
+{
+    struct connection *connection = impl_from_Connection( iface );
+    return InterlockedIncrement( &connection->refs );
+}
+
+static ULONG WINAPI connection_Release( _Connection *iface )
+{
+    struct connection *connection = impl_from_Connection( iface );
+    LONG refs = InterlockedDecrement( &connection->refs );
+    if (!refs)
+    {
+        TRACE( "destroying %p\n", connection );
+        heap_free( connection );
+    }
+    return refs;
+}
+
+static HRESULT WINAPI connection_QueryInterface( _Connection *iface, REFIID riid, void **obj )
+{
+    TRACE( "%p, %s, %p\n", iface, debugstr_guid(riid), obj );
+
+    if (IsEqualGUID( riid, &IID__Connection ) || IsEqualGUID( riid, &IID_IDispatch ) ||
+        IsEqualGUID( riid, &IID_IUnknown ))
+    {
+        *obj = iface;
+    }
+    else
+    {
+        FIXME( "interface %s not implemented\n", debugstr_guid(riid) );
+        return E_NOINTERFACE;
+    }
+    connection_AddRef( iface );
+    return S_OK;
+}
+
+static HRESULT WINAPI connection_GetTypeInfoCount( _Connection *iface, UINT *count )
+{
+    FIXME( "%p, %p\n", iface, count );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_GetTypeInfo( _Connection *iface, UINT index, LCID lcid, ITypeInfo **info )
+{
+    FIXME( "%p, %u, %u, %p\n", iface, index, lcid, info );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_GetIDsOfNames( _Connection *iface, REFIID riid, LPOLESTR *names, UINT count,
+                                                LCID lcid, DISPID *dispid )
+{
+    FIXME( "%p, %s, %p, %u, %u, %p\n", iface, debugstr_guid(riid), names, count, lcid, dispid );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_Invoke( _Connection *iface, DISPID member, REFIID riid, LCID lcid, WORD flags,
+                                         DISPPARAMS *params, VARIANT *result, EXCEPINFO *excep_info, UINT *arg_err )
+{
+    FIXME( "%p, %d, %s, %d, %d, %p, %p, %p, %p\n", iface, member, debugstr_guid(riid), lcid, flags, params,
+           result, excep_info, arg_err );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_get_Properties( _Connection *iface, Properties **obj )
+{
+    FIXME( "%p, %p\n", iface, obj );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_get_ConnectionString( _Connection *iface, BSTR *str )
+{
+    FIXME( "%p, %p\n", iface, str );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_put_ConnectionString( _Connection *iface, BSTR str )
+{
+    FIXME( "%p, %s\n", iface, debugstr_w(str) );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_get_CommandTimeout( _Connection *iface, LONG *timeout )
+{
+    FIXME( "%p, %p\n", iface, timeout );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_put_CommandTimeout( _Connection *iface, LONG timeout )
+{
+    FIXME( "%p, %d\n", iface, timeout );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_get_ConnectionTimeout( _Connection *iface, LONG *timeout )
+{
+    FIXME( "%p, %p\n", iface, timeout );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_put_ConnectionTimeout( _Connection *iface, LONG timeout )
+{
+    FIXME( "%p, %d\n", iface, timeout );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_get_Version( _Connection *iface, BSTR *str )
+{
+    FIXME( "%p, %p\n", iface, str );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_Close( _Connection *iface )
+{
+    FIXME( "%p\n", iface );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_Execute( _Connection *iface, BSTR command, VARIANT *records_affected,
+                                          LONG options, _Recordset **record_set )
+{
+    FIXME( "%p, %s, %p, %08x, %p\n", iface, debugstr_w(command), records_affected, options, record_set );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_BeginTrans( _Connection *iface, LONG *transaction_level )
+{
+    FIXME( "%p, %p\n", iface, transaction_level );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_CommitTrans( _Connection *iface )
+{
+    FIXME( "%p\n", iface );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_RollbackTrans( _Connection *iface )
+{
+    FIXME( "%p\n", iface );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_Open( _Connection *iface, BSTR connect_str, BSTR userid, BSTR password,
+                                       LONG options )
+{
+    FIXME( "%p, %s, %s, %p, %08x\n", iface, debugstr_w(connect_str), debugstr_w(userid),
+           debugstr_w(password), options );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_get_Errors( _Connection *iface, Errors **obj )
+{
+    FIXME( "%p, %p\n", iface, obj );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_get_DefaultDatabase( _Connection *iface, BSTR *str )
+{
+    FIXME( "%p, %p\n", iface, str );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_put_DefaultDatabase( _Connection *iface, BSTR str )
+{
+    FIXME( "%p, %s\n", iface, debugstr_w(str) );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_get_IsolationLevel( _Connection *iface, IsolationLevelEnum *level )
+{
+    FIXME( "%p, %p\n", iface, level );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_put_IsolationLevel( _Connection *iface, IsolationLevelEnum level )
+{
+    FIXME( "%p, %d\n", iface, level );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_get_Attributes( _Connection *iface, LONG *attr )
+{
+    FIXME( "%p, %p\n", iface, attr );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_put_Attributes( _Connection *iface, LONG attr )
+{
+    FIXME( "%p, %d\n", iface, attr );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_get_CursorLocation( _Connection *iface, CursorLocationEnum *cursor_loc )
+{
+    FIXME( "%p, %p\n", iface, cursor_loc );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_put_CursorLocation( _Connection *iface, CursorLocationEnum cursor_loc )
+{
+    FIXME( "%p, %u\n", iface, cursor_loc );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_get_Mode( _Connection *iface, ConnectModeEnum *mode )
+{
+    FIXME( "%p, %p\n", iface, mode );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_put_Mode( _Connection *iface, ConnectModeEnum mode )
+{
+    FIXME( "%p, %u\n", iface, mode );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_get_Provider( _Connection *iface, BSTR *str )
+{
+    FIXME( "%p, %p\n", iface, str );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_put_Provider( _Connection *iface, BSTR str )
+{
+    FIXME( "%p, %s\n", iface, debugstr_w(str) );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_get_State( _Connection *iface, LONG *state )
+{
+    FIXME( "%p, %p\n", iface, state );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_OpenSchema( _Connection *iface, SchemaEnum schema, VARIANT restrictions,
+                                             VARIANT schema_id, _Recordset **record_set )
+{
+    FIXME( "%p, %d, %s, %s, %p\n", iface, schema, debugstr_variant(&restrictions),
+           debugstr_variant(&schema_id), record_set );
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI connection_Cancel( _Connection *iface )
+{
+    FIXME( "%p\n", iface );
+    return E_NOTIMPL;
+}
+
+static const struct _ConnectionVtbl connection_vtbl =
+{
+    connection_QueryInterface,
+    connection_AddRef,
+    connection_Release,
+    connection_GetTypeInfoCount,
+    connection_GetTypeInfo,
+    connection_GetIDsOfNames,
+    connection_Invoke,
+    connection_get_Properties,
+    connection_get_ConnectionString,
+    connection_put_ConnectionString,
+    connection_get_CommandTimeout,
+    connection_put_CommandTimeout,
+    connection_get_ConnectionTimeout,
+    connection_put_ConnectionTimeout,
+    connection_get_Version,
+    connection_Close,
+    connection_Execute,
+    connection_BeginTrans,
+    connection_CommitTrans,
+    connection_RollbackTrans,
+    connection_Open,
+    connection_get_Errors,
+    connection_get_DefaultDatabase,
+    connection_put_DefaultDatabase,
+    connection_get_IsolationLevel,
+    connection_put_IsolationLevel,
+    connection_get_Attributes,
+    connection_put_Attributes,
+    connection_get_CursorLocation,
+    connection_put_CursorLocation,
+    connection_get_Mode,
+    connection_put_Mode,
+    connection_get_Provider,
+    connection_put_Provider,
+    connection_get_State,
+    connection_OpenSchema,
+    connection_Cancel
+};
+
+HRESULT Connection_create( void **obj )
+{
+    struct connection *connection;
+
+    if (!(connection = heap_alloc( sizeof(*connection) ))) return E_OUTOFMEMORY;
+    connection->Connection_iface.lpVtbl = &connection_vtbl;
+    connection->refs = 1;
+
+    *obj = &connection->Connection_iface;
+    TRACE( "returning iface %p\n", *obj );
+    return S_OK;
+}
diff --git a/dlls/msado15/main.c b/dlls/msado15/main.c
index 0c5b2615d0a..d292826b1f5 100644
--- a/dlls/msado15/main.c
+++ b/dlls/msado15/main.c
@@ -19,10 +19,18 @@
 #include <stdarg.h>
 #include "windef.h"
 #include "winbase.h"
+#include "initguid.h"
+#define COBJMACROS
 #include "objbase.h"
 #include "rpcproxy.h"
+#include "msado15_backcompat.h"
 
 #include "wine/debug.h"
+#include "wine/heap.h"
+
+#include "msado15_private.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(msado15);
 
 static HINSTANCE hinstance;
 
@@ -38,6 +46,104 @@ BOOL WINAPI DllMain( HINSTANCE dll, DWORD reason, LPVOID reserved )
     return TRUE;
 }
 
+typedef HRESULT (*fnCreateInstance)( void **obj );
+
+struct msadocf
+{
+    IClassFactory    IClassFactory_iface;
+    fnCreateInstance pfnCreateInstance;
+};
+
+static inline struct msadocf *impl_from_IClassFactory( IClassFactory *iface )
+{
+    return CONTAINING_RECORD( iface, struct msadocf, IClassFactory_iface );
+}
+
+static HRESULT WINAPI msadocf_QueryInterface( IClassFactory *iface, REFIID riid, void **obj )
+{
+    if (IsEqualGUID( riid, &IID_IUnknown ) || IsEqualGUID( riid, &IID_IClassFactory ))
+    {
+        IClassFactory_AddRef( iface );
+        *obj = iface;
+        return S_OK;
+    }
+    FIXME( "interface %s not implemented\n", debugstr_guid(riid) );
+    return E_NOINTERFACE;
+}
+
+static ULONG WINAPI msadocf_AddRef( IClassFactory *iface )
+{
+    return 2;
+}
+
+static ULONG WINAPI msadocf_Release( IClassFactory *iface )
+{
+    return 1;
+}
+
+static HRESULT WINAPI msadocf_CreateInstance( IClassFactory *iface, LPUNKNOWN outer, REFIID riid, void **obj )
+{
+    struct msadocf *cf = impl_from_IClassFactory( iface );
+    IUnknown *unknown;
+    HRESULT hr;
+
+    TRACE( "%p, %s, %p\n", outer, debugstr_guid(riid), obj );
+
+    *obj = NULL;
+    if (outer)
+        return CLASS_E_NOAGGREGATION;
+
+    hr = cf->pfnCreateInstance( (void **)&unknown );
+    if (FAILED(hr))
+        return hr;
+
+    hr = IUnknown_QueryInterface( unknown, riid, obj );
+    IUnknown_Release( unknown );
+    return hr;
+}
+
+static HRESULT WINAPI msadocf_LockServer( IClassFactory *iface, BOOL dolock )
+{
+    FIXME( "%p, %d\n", iface, dolock );
+    return S_OK;
+}
+
+static const struct IClassFactoryVtbl msadocf_vtbl =
+{
+    msadocf_QueryInterface,
+    msadocf_AddRef,
+    msadocf_Release,
+    msadocf_CreateInstance,
+    msadocf_LockServer
+};
+
+static struct msadocf connection_cf = { { &msadocf_vtbl }, Connection_create };
+
+/***********************************************************************
+ *          DllGetClassObject
+ */
+HRESULT WINAPI DllGetClassObject( REFCLSID clsid, REFIID iid, void **obj )
+{
+    IClassFactory *cf = NULL;
+
+    TRACE( "%s, %s, %p\n", debugstr_guid(clsid), debugstr_guid(iid), obj );
+
+    if (IsEqualGUID( clsid, &CLSID_Connection ))
+    {
+        cf = &connection_cf.IClassFactory_iface;
+    }
+    if (!cf) return CLASS_E_CLASSNOTAVAILABLE;
+    return IClassFactory_QueryInterface( cf, iid, obj );
+}
+
+/******************************************************************
+ *          DllCanUnloadNow
+ */
+HRESULT WINAPI DllCanUnloadNow(void)
+{
+    return S_FALSE;
+}
+
 /***********************************************************************
  *          DllRegisterServer
  */
diff --git a/dlls/msado15/msado15.spec b/dlls/msado15/msado15.spec
index 6d0e061a537..b16365d0c9f 100644
--- a/dlls/msado15/msado15.spec
+++ b/dlls/msado15/msado15.spec
@@ -1,4 +1,4 @@
-@ stub DllCanUnloadNow
-@ stub DllGetClassObject
+@ stdcall -private DllCanUnloadNow()
+@ stdcall -private DllGetClassObject(ptr ptr ptr)
 @ stdcall -private DllRegisterServer()
 @ stdcall -private DllUnregisterServer()
diff --git a/dlls/msado15/msado15_classes.idl b/dlls/msado15/msado15_classes.idl
new file mode 100644
index 00000000000..f69fea0a1a1
--- /dev/null
+++ b/dlls/msado15/msado15_classes.idl
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2019 Hans Leidekker for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#pragma makedep register
+
+[
+    threading(apartment),
+    progid("ADODB.Connection.6.0"),
+    vi_progid("ADODB.Connection"),
+    uuid(00000514-0000-0010-8000-00aa006d2ea4)
+]
+coclass Connection { interface _Connection; }
diff --git a/dlls/msado15/msado15_private.h b/dlls/msado15/msado15_private.h
new file mode 100644
index 00000000000..1d4c379443e
--- /dev/null
+++ b/dlls/msado15/msado15_private.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2019 Hans Leidekker for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _WINE_MSADO15_PRIVATE_H_
+#define _WINE_MSADO15_PRIVATE_H_
+
+HRESULT Connection_create( void ** ) DECLSPEC_HIDDEN;
+
+#endif /* _WINE_MSADO15_PRIVATE_H_ */