Update new-setting-modifies-ntlm-network-authentication.md

The default value for OldPasswordAllowedPeriod is 5 minutes, so I modified 1 hour to 5 minutes.

Author: maotori

support/windows-server/windows-security/new-setting-modifies-ntlm-network-authentication.md

@@ -18,7 +18,7 @@ _Original KB number:_   906305
 
 ## Introduction
 
-Beginning with Microsoft Windows Server 2003 Service Pack 1 (SP1), there is a change to NTLM network authentication behavior. Domain users can use their old password to access the network for one hour after the password is changed. Existing components that are designed to use Kerberos for authentication are not affected by this change.
+Beginning with Microsoft Windows Server 2003 Service Pack 1 (SP1), there is a change to NTLM network authentication behavior. Domain users can use their old password to access the network for 5 minutes after the password is changed. Existing components that are designed to use Kerberos for authentication are not affected by this change.
 
 The goal of this change is to allow background processes such as services to continue running for some time until an administrator has the opportunity to update the credentials for the new password.
 
@@ -52,7 +52,7 @@ To do this, follow these steps:
 6. In the **Value data** box, type the value in minutes that you want to use, and then click **OK**.
 
     > [!NOTE]
-    > The lifetime period is set in minutes. If this registry value is not set, the default lifetime period for an old password is 60 minutes.
+    > The lifetime period is set in minutes. If this registry value is not set, the default lifetime period for an old password is 5 minutes.
 
 7. Quit Registry Editor.