diff --git a/configure b/configure
index 26c7bc5154..789a4f6cc9 100755
--- a/configure
+++ b/configure
@@ -372,6 +372,7 @@ smbd="$SMBD"
 strip="${STRIP-${cross_prefix}strip}"
 widl="${WIDL-${cross_prefix}widl}"
 windres="${WINDRES-${cross_prefix}windres}"
+windmc="${WINDMC-${cross_prefix}windmc}"
 pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
 query_pkg_config() {
     "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
@@ -2561,6 +2562,7 @@ if test "$skip_meson" = no; then
   echo "strip = [$(meson_quote $strip)]" >> $cross
   echo "widl = [$(meson_quote $widl)]" >> $cross
   echo "windres = [$(meson_quote $windres)]" >> $cross
+  echo "windmc = [$(meson_quote $windmc)]" >> $cross
   if test "$cross_compile" = "yes"; then
     cross_arg="--cross-file config-meson.cross"
     echo "[host_machine]" >> $cross
@@ -2667,6 +2669,7 @@ preserve_env SMBD
 preserve_env STRIP
 preserve_env WIDL
 preserve_env WINDRES
+preserve_env WINDMC
 
 printf "exec" >>config.status
 for i in "$0" "$@"; do
diff --git a/meson.build b/meson.build
index 5c6b5a1c75..4c6f8a674a 100644
--- a/meson.build
+++ b/meson.build
@@ -75,7 +75,7 @@ have_tools = get_option('tools') \
   .allowed()
 have_ga = get_option('guest_agent') \
   .disable_auto_if(not have_system and not have_tools) \
-  .require(targetos in ['sunos', 'linux', 'windows', 'freebsd'],
+  .require(targetos in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
            error_message: 'unsupported OS for QEMU guest agent') \
   .allowed()
 have_block = have_system or have_tools
diff --git a/qga/commands-bsd.c b/qga/commands-bsd.c
index 15cade2d4c..17bddda1cf 100644
--- a/qga/commands-bsd.c
+++ b/qga/commands-bsd.c
@@ -21,7 +21,12 @@
 #include <sys/ucred.h>
 #include <sys/mount.h>
 #include <net/if_dl.h>
+#if defined(__NetBSD__) || defined(__OpenBSD__)
+#include <net/if_arp.h>
+#include <netinet/if_ether.h>
+#else
 #include <net/ethernet.h>
+#endif
 #include <paths.h>
 
 #if defined(CONFIG_FSFREEZE) || defined(CONFIG_FSTRIM)
diff --git a/qga/commands-posix.c b/qga/commands-posix.c
index 1a28326ec7..b19b9c5d18 100644
--- a/qga/commands-posix.c
+++ b/qga/commands-posix.c
@@ -45,7 +45,12 @@
 #include <arpa/inet.h>
 #include <sys/socket.h>
 #include <net/if.h>
+#if defined(__NetBSD__) || defined(__OpenBSD__)
+#include <net/if_arp.h>
+#include <netinet/if_ether.h>
+#else
 #include <net/ethernet.h>
+#endif
 #include <sys/types.h>
 #ifdef CONFIG_SOLARIS
 #include <sys/sockio.h>
@@ -2872,7 +2877,7 @@ static int guest_get_network_stats(const char *name,
     return -1;
 }
 
-#ifndef __FreeBSD__
+#ifndef CONFIG_BSD
 /*
  * Fill "buf" with MAC address by ifaddrs. Pointer buf must point to a
  * buffer with ETHER_ADDR_LEN length at least.
@@ -2921,7 +2926,7 @@ bool guest_get_hw_addr(struct ifaddrs *ifa, unsigned char *buf,
     close(sock);
     return true;
 }
-#endif /* __FreeBSD__ */
+#endif /* CONFIG_BSD */
 
 /*
  * Build information about guest interfaces
diff --git a/qga/commands-win32.c b/qga/commands-win32.c
index 4df50ea710..b5fee6a2cd 100644
--- a/qga/commands-win32.c
+++ b/qga/commands-win32.c
@@ -596,6 +596,18 @@ static void get_pci_address_for_device(GuestPCIAddress *pci,
     }
 }
 
+static GuestPCIAddress *get_empty_pci_address(void)
+{
+    GuestPCIAddress *pci = NULL;
+
+    pci = g_malloc0(sizeof(*pci));
+    pci->domain = -1;
+    pci->slot = -1;
+    pci->function = -1;
+    pci->bus = -1;
+    return pci;
+}
+
 static GuestPCIAddress *get_pci_info(int number, Error **errp)
 {
     HDEVINFO dev_info = INVALID_HANDLE_VALUE;
@@ -605,13 +617,7 @@ static GuestPCIAddress *get_pci_info(int number, Error **errp)
     SP_DEVICE_INTERFACE_DATA dev_iface_data;
     HANDLE dev_file;
     int i;
-    GuestPCIAddress *pci = NULL;
-
-    pci = g_malloc0(sizeof(*pci));
-    pci->domain = -1;
-    pci->slot = -1;
-    pci->function = -1;
-    pci->bus = -1;
+    GuestPCIAddress *pci = get_empty_pci_address();
 
     dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_DISK, 0, 0,
                                    DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
@@ -868,10 +874,14 @@ static void get_single_disk_info(int disk_number,
      * if that doesn't hold since that suggests some other unexpected
      * breakage
      */
-    disk->pci_controller = get_pci_info(disk_number, &local_err);
-    if (local_err) {
-        error_propagate(errp, local_err);
-        goto err_close;
+    if (disk->bus_type == GUEST_DISK_BUS_TYPE_USB) {
+        disk->pci_controller = get_empty_pci_address();
+    } else {
+        disk->pci_controller = get_pci_info(disk_number, &local_err);
+        if (local_err) {
+            error_propagate(errp, local_err);
+            goto err_close;
+        }
     }
     if (disk->bus_type == GUEST_DISK_BUS_TYPE_SCSI
             || disk->bus_type == GUEST_DISK_BUS_TYPE_IDE
diff --git a/qga/installer/qemu-ga.wxs b/qga/installer/qemu-ga.wxs
index 813d1c6ca6..51340f7ecc 100644
--- a/qga/installer/qemu-ga.wxs
+++ b/qga/installer/qemu-ga.wxs
@@ -101,15 +101,26 @@
           <Component Id="libwinpthread" Guid="{6C117C78-0F47-4B07-8F34-6BEE11643829}">
             <File Id="libwinpthread_1.dll" Name="libwinpthread-1.dll" Source="$(var.BIN_DIR)/libwinpthread-1.dll" KeyPath="yes" DiskId="1"/>
           </Component>
-          <Component Id="libpcre" Guid="{7A86B45E-A009-489A-A849-CE3BACF03CD0}">
-            <File Id="libpcre_1.dll" Name="libpcre-1.dll" Source="$(var.BIN_DIR)/libpcre-1.dll" KeyPath="yes" DiskId="1"/>
-          </Component>
+          <?if $(var.LIBPCRE) = "libpcre1"?>
+            <Component Id="libpcre" Guid="{7A86B45E-A009-489A-A849-CE3BACF03CD0}">
+              <File Id="libpcre_1.dll" Name="libpcre-1.dll" Source="$(var.BIN_DIR)/libpcre-1.dll" KeyPath="yes" DiskId="1"/>
+            </Component>
+          <?else?>
+            <Component Id="libpcre" Guid="{F92A3804-B59C-419D-8F29-99A30352C156}">
+              <File Id="libpcre2_8_0.dll" Name="libpcre2-8-0.dll" Source="$(var.BIN_DIR)/libpcre2-8-0.dll" KeyPath="yes" DiskId="1"/>
+            </Component>
+          <?endif?>
           <Component Id="registry_entries" Guid="{D075D109-51CA-11E3-9F8B-000C29858960}">
             <RegistryKey Root="HKLM"
                          Key="Software\$(var.QEMU_GA_MANUFACTURER)\$(var.QEMU_GA_DISTRO)\Tools\QemuGA">
               <RegistryValue Type="string" Name="ProductID" Value="fb0a0d66-c7fb-4e2e-a16b-c4a3bfe8d13b" />
               <RegistryValue Type="string" Name="Version" Value="$(var.QEMU_GA_VERSION)" />
             </RegistryKey>
+            <RegistryKey Root="HKLM"
+                         Key="System\CurrentControlSet\Services\EventLog\Application\qemu-ga">
+              <RegistryValue Type="integer" Name="TypesSupported" Value="7" />
+              <RegistryValue Type="string" Name="EventMessageFile" Value="[qemu_ga_directory]qemu-ga.exe" />
+            </RegistryKey>
           </Component>
         </Directory>
       </Directory>
diff --git a/qga/main.c b/qga/main.c
index b3580508fa..85b7d6ced5 100644
--- a/qga/main.c
+++ b/qga/main.c
@@ -40,11 +40,11 @@
 #include "commands-common.h"
 
 #ifndef _WIN32
-#ifdef __FreeBSD__
+#ifdef CONFIG_BSD
 #define QGA_VIRTIO_PATH_DEFAULT "/dev/vtcon/org.qemu.guest_agent.0"
-#else /* __FreeBSD__ */
+#else /* CONFIG_BSD */
 #define QGA_VIRTIO_PATH_DEFAULT "/dev/virtio-ports/org.qemu.guest_agent.0"
-#endif /* __FreeBSD__ */
+#endif /* CONFIG_BSD */
 #define QGA_SERIAL_PATH_DEFAULT "/dev/ttyS0"
 #define QGA_STATE_RELATIVE_DIR  "run"
 #else
@@ -83,6 +83,7 @@ struct GAState {
 #ifdef _WIN32
     GAService service;
     HANDLE wakeup_event;
+    HANDLE event_log;
 #endif
     bool delimit_response;
     bool frozen;
@@ -313,6 +314,38 @@ void ga_enable_logging(GAState *s)
     s->logging_enabled = true;
 }
 
+static int glib_log_level_to_system(int level)
+{
+    switch (level) {
+#ifndef _WIN32
+    case G_LOG_LEVEL_ERROR:
+        return LOG_ERR;
+    case G_LOG_LEVEL_CRITICAL:
+        return LOG_CRIT;
+    case G_LOG_LEVEL_WARNING:
+        return LOG_WARNING;
+    case G_LOG_LEVEL_MESSAGE:
+        return LOG_NOTICE;
+    case G_LOG_LEVEL_DEBUG:
+        return LOG_DEBUG;
+    case G_LOG_LEVEL_INFO:
+    default:
+        return LOG_INFO;
+#else
+    case G_LOG_LEVEL_ERROR:
+    case G_LOG_LEVEL_CRITICAL:
+        return EVENTLOG_ERROR_TYPE;
+    case G_LOG_LEVEL_WARNING:
+        return EVENTLOG_WARNING_TYPE;
+    case G_LOG_LEVEL_MESSAGE:
+    case G_LOG_LEVEL_INFO:
+    case G_LOG_LEVEL_DEBUG:
+    default:
+        return EVENTLOG_INFORMATION_TYPE;
+#endif
+    }
+}
+
 static void ga_log(const gchar *domain, GLogLevelFlags level,
                    const gchar *msg, gpointer opaque)
 {
@@ -324,13 +357,14 @@ static void ga_log(const gchar *domain, GLogLevelFlags level,
     }
 
     level &= G_LOG_LEVEL_MASK;
-#ifndef _WIN32
     if (g_strcmp0(domain, "syslog") == 0) {
-        syslog(LOG_INFO, "%s: %s", level_str, msg);
-    } else if (level & s->log_level) {
+#ifndef _WIN32
+        syslog(glib_log_level_to_system(level), "%s: %s", level_str, msg);
 #else
-    if (level & s->log_level) {
+        ReportEvent(s->event_log, glib_log_level_to_system(level),
+                    0, 1, NULL, 1, 0, &msg, NULL);
 #endif
+    } else if (level & s->log_level) {
         g_autoptr(GDateTime) now = g_date_time_new_now_utc();
         g_autofree char *nowstr = g_date_time_format(now, "%s.%f");
         fprintf(s->log_file, "%s: %s: %s\n", nowstr, level_str, msg);
@@ -1286,6 +1320,13 @@ static GAState *initialize_agent(GAConfig *config, int socket_activation)
     g_debug("Guest agent version %s started", QEMU_FULL_VERSION);
 
 #ifdef _WIN32
+    s->event_log = RegisterEventSource(NULL, "qemu-ga");
+    if (!s->event_log) {
+        g_autofree gchar *errmsg = g_win32_error_message(GetLastError());
+        g_critical("unable to register event source: %s", errmsg);
+        return NULL;
+    }
+
     /* On win32 the state directory is application specific (be it the default
      * or a user override). We got past the command line parsing; let's create
      * the directory (with any intermediate directories). If we run into an
@@ -1377,6 +1418,7 @@ static void cleanup_agent(GAState *s)
 {
 #ifdef _WIN32
     CloseHandle(s->wakeup_event);
+    CloseHandle(s->event_log);
 #endif
     if (s->command_state) {
         ga_command_state_cleanup_all(s->command_state);
diff --git a/qga/meson.build b/qga/meson.build
index 3cfb9166e5..ad17dc7dca 100644
--- a/qga/meson.build
+++ b/qga/meson.build
@@ -98,7 +98,24 @@ if targetos == 'windows'
   endif
 endif
 
-qga = executable('qemu-ga', qga_ss.sources(),
+qga_objs = []
+if targetos == 'windows'
+  windmc = find_program('windmc', required: true)
+  windres = find_program('windres', required: true)
+
+  msgrc = custom_target('messages-win32.rc',
+                        input: 'messages-win32.mc',
+                        output: ['messages-win32.rc', 'MSG00409.bin', 'messages-win32.h'],
+                        command: [windmc, '-h', '@OUTDIR@', '-r', '@OUTDIR@', '@INPUT@'])
+  msgobj = custom_target('messages-win32.o',
+                         input: msgrc[0],
+                         output: 'messages-win32.o',
+                         command: [windres, '-I', '@OUTDIR@', '-o', '@OUTPUT@', '@INPUT@'])
+
+  qga_objs = [msgobj]
+endif
+
+qga = executable('qemu-ga', qga_ss.sources() + qga_objs,
                  link_args: qga_libs,
                  dependencies: [qemuutil, libudev],
                  install: true)
@@ -123,6 +140,11 @@ if targetos == 'windows'
       qemu_ga_msi_vss = ['-D', 'InstallVss']
       deps += qga_vss
     endif
+    if glib.version() < '2.73.2'
+      libpcre = 'libpcre1'
+    else
+      libpcre = 'libpcre2'
+    endif
     qga_msi = custom_target('QGA MSI',
                             input: files('installer/qemu-ga.wxs'),
                             output: 'qemu-ga-@0@.msi'.format(host_arch),
@@ -136,6 +158,7 @@ if targetos == 'windows'
                               '-D', 'QEMU_GA_VERSION=' + config_host['QEMU_GA_VERSION'],
                               '-D', 'QEMU_GA_MANUFACTURER=' + config_host['QEMU_GA_MANUFACTURER'],
                               '-D', 'QEMU_GA_DISTRO=' + config_host['QEMU_GA_DISTRO'],
+                              '-D', 'LIBPCRE=' + libpcre,
                             ])
     all_qga += [qga_msi]
     alias_target('msi', qga_msi)
diff --git a/qga/messages-win32.mc b/qga/messages-win32.mc
new file mode 100644
index 0000000000..e21019cebe
--- /dev/null
+++ b/qga/messages-win32.mc
@@ -0,0 +1,9 @@
+LanguageNames=(
+    English=0x409:MSG00409
+)
+
+MessageId=1
+SymbolicName=QEMU_GA_EVENTLOG_GENERAL
+Language=English
+%1
+.