diff --git a/src/WINNT/afsd/cm_memmap.h b/src/WINNT/afsd/cm_memmap.h
index d37667b0d4..ddbf39d6db 100644
--- a/src/WINNT/afsd/cm_memmap.h
+++ b/src/WINNT/afsd/cm_memmap.h
@@ -10,7 +10,7 @@
 #ifndef CM_MEMMAP_H
 #define CM_MEMMAP_H 1
 
-#define CM_CONFIG_DATA_VERSION  22
+#define CM_CONFIG_DATA_VERSION  23
 #define CM_CONFIG_DATA_MAGIC            ('A' | 'F'<<8 | 'S'<<16 | CM_CONFIG_DATA_VERSION<<24)
 
 typedef struct cm_config_data {