diff --git a/source/java/org/alfresco/filesys/auth/cifs/AlfrescoCifsAuthenticator.java b/source/java/org/alfresco/filesys/auth/cifs/AlfrescoCifsAuthenticator.java
index 432d94a919..72cc2a09ca 100644
--- a/source/java/org/alfresco/filesys/auth/cifs/AlfrescoCifsAuthenticator.java
+++ b/source/java/org/alfresco/filesys/auth/cifs/AlfrescoCifsAuthenticator.java
@@ -166,7 +166,7 @@ public class AlfrescoCifsAuthenticator extends CifsAuthenticatorBase
             {
                 // Start a transaction
               
-                tx = getTransactionService().getUserTransaction( true);
+                tx = getTransactionService().getUserTransaction( false);
                 tx.begin();
                 
                 // Perform local MD4 password check
@@ -177,7 +177,7 @@ public class AlfrescoCifsAuthenticator extends CifsAuthenticatorBase
             {
                 // Start a transaction
                 
-                tx = getTransactionService().getUserTransaction( true);
+                tx = getTransactionService().getUserTransaction( false);
                 tx.begin();
               
                 // Perform passthru authentication password check
diff --git a/source/java/org/alfresco/filesys/auth/cifs/EnterpriseCifsAuthenticator.java b/source/java/org/alfresco/filesys/auth/cifs/EnterpriseCifsAuthenticator.java
index 63d980543b..271434abf0 100644
--- a/source/java/org/alfresco/filesys/auth/cifs/EnterpriseCifsAuthenticator.java
+++ b/source/java/org/alfresco/filesys/auth/cifs/EnterpriseCifsAuthenticator.java
@@ -290,8 +290,10 @@ public class EnterpriseCifsAuthenticator extends CifsAuthenticatorBase implement
                 String mecListMIC = null;
                 
                 StringBuilder mic = new StringBuilder();
+                
+                mic.append("cifs/");
                 mic.append( config.getServerName().toLowerCase());
-                mic.append("$@");
+                mic.append("@");
                 mic.append( m_krbRealm);
                 
                 mecListMIC = mic.toString();
@@ -559,7 +561,7 @@ public class EnterpriseCifsAuthenticator extends CifsAuthenticatorBase implement
             {
                 // Start a transaction
                 
-                tx = getTransactionService().getUserTransaction( true);
+                tx = getTransactionService().getUserTransaction( false);
                 tx.begin();
 
                 //  Process the hashed password session setup
@@ -716,7 +718,7 @@ public class EnterpriseCifsAuthenticator extends CifsAuthenticatorBase implement
             
             // Start a transaction
             
-            tx = getTransactionService().getUserTransaction( true);
+            tx = getTransactionService().getUserTransaction( false);
             tx.begin();
             
             // Process the security blob