Index: src/main/java/org/apache/maven/wagon/shared/http/AbstractHttpClientWagon.java
===================================================================
--- src/main/java/org/apache/maven/wagon/shared/http/AbstractHttpClientWagon.java	(revision 1241143)
+++ src/main/java/org/apache/maven/wagon/shared/http/AbstractHttpClientWagon.java	(working copy)
@@ -202,10 +202,17 @@
 
         String username = null;
         String password = null;
+        String domain = null;
 
         if ( authenticationInfo != null )
         {
             username = authenticationInfo.getUserName();
+            
+            if (username.contains("\\")) {
+            	String[] domainAndUsername = username.split("\\\\");
+            	domain = domainAndUsername[0];
+            	username = domainAndUsername[1];
+            }
 
             password = authenticationInfo.getPassword();
 
@@ -216,7 +223,13 @@
 
         if ( StringUtils.isNotEmpty( username ) && StringUtils.isNotEmpty( password ) )
         {
-            Credentials creds = new UsernamePasswordCredentials( username, password );
+        	Credentials creds;
+        	if (domain != null) {
+        		creds = new NTCredentials(username, password, host, domain);
+        	}
+        	else {
+        		creds = new UsernamePasswordCredentials( username, password );
+        	}
 
             int port = getRepository().getPort() > -1 ? getRepository().getPort() : AuthScope.ANY_PORT;