Accessing CIFS Share fails with error message "ERROR: -1642 NMAS Manager" in DSTrace

Unable to access CIFS shares from Windows XP/Windows Vista workstations and Windows 2008 Server
Erro: -1642 NMAS Manager in DStrace with flag "NMAS"

The issue can be due to incomplete configuration of the CIFS server and/or Microsoft workstations. Make sure that following steps have been completed as part of configuring a NetWare server with CIFS shares.

Use OES 2 SP 1 AFP, CIFS and NFS for NetWare (NFAP) Administration Guide for details about each sections mentioned in following steps.

1. Enable Universal Password or set Simple Password for users

• If Universal Password Policy is not implemented, Native File Access Protocols (NFAP) requires users to have Simple Password set in order to access CIFS shares.
• Check Check Password Management Documentation for details on Universal Password
• If needed, use the tool Universal Password Diagnostic Utility to check the password status
• Go through the section "5.1 Administrator Tasks for Native File Access for Windows Services" of the for more details.
  

2. Prepare the NetWare Server for CIFS shares

• Perform steps mentioned under section "3.0 Installing NFAP on a NetWare 6.5 Server" to setup the server properly

3. Add contexts for users in the "Context Search File"

• Go through the section "5.1.5 Specifying Contexts in the Context Search File"
• Stop and start CIFS as mentioned under section "3.4 Starting and Stopping AFP and CIFS Protocols"

4. Enable NetBIOS over TCP/IP

Windows workstations need to be setup with "NetBIOS over TCP/IP" as mentioned under section "5.2 Windows End User Tasks" (Check the note "Important" under Step 5). Perform following steps on the Windows Workstations.

• Right click "My Network Places" on the desktop and select Properties
• Right click the "Local Area Connection" and select Properties
• On the General Tab, select "Internet Protocol (TCP/IP)" and select Properties
• On the General Tab, click on the "Advanced" button and select WINS Tab
• Under the section "NetBIOS Settings", select the radial button "Enable NetBIOS over TCP/IP" 
• Click "OK" twice and close the Properties Page

5. Add users as Trustee of the CIFS Share folder with necessary Rights

• Launch iManager (https://<IP_Address/nps/iManager.html) and login as "Admin"
• Select the task "Properties" available under the Role "Files and Folders and select the CIFS Share folder
• Click on the Rights Tab and add the desired user as Trustee with sufficient rights
• Apply the change and close the window
• Users can be added as Trustees using ConsoleOne too
  

6. Check CIFS Shares on the server

• Display details of the CIFS shares on the server using commands described under section "5.1.11 Viewing Configuration Details"

7. Access the CIFS share from Windows XP workstations

• Access CIFS shares from Windows workstations as mentioned under section 5.2 "Windows End User Tasks"

Perform steps mentioned in the document 3437586 to allow users to access CIFS shares from Windows Vista workstations and Windows 2008 Servers

8. Setup Windows Vista workstations and Windows 2008 servers to access CIFS shares

• For Windows 2008 Servers, perform steps mentioned under the section "Vista Business and Ultimate" of the TID: 3437586
• Also enable "NetBIOS over TCP/IP" as described in Step 4

• Check Use OES 2 SP 1 AFP, CIFS and NFS for NetWare (NFAP) Administration Guide for more details
• Use the TID: 3437586 to setup Windows Vista workstations and Windows 2008 Servers to access CIFS shares