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Samba HowTo Guide
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Take Care When Assembling Driver Files

You need to be extremely careful when you take notes about the files belonging to a particular driver. Don't confuse the files for driver version “0” (for Windows 9x/Me, going into [print$]/WIN/0/), driver version 2 (kernel mode driver for Windows NT, going into [print$]/W32X86/2/; may be used on Windows 200x/XP also), and driver version “3” (non-kernel mode driver going into [print$]/W32X86/3/; cannot be used on Windows NT). Quite often these different driver versions contain files that have the same name but actually are very different. If you look at them from the Windows Explorer (they reside in %WINDOWS%\system32\spool\drivers\W32X86\), you will probably see names in capital letters, while an enumdrivers command from Samba would show mixed or lowercase letters, so it is easy to confuse them. If you install them manually using rpcclient and subcommands, you may even succeed without an error message. Only later, when you try install on a client, you will encounter error messages like This server has no appropriate driver for the printer.

Here is an example. You are invited to look closely at the various files, compare their names and their spelling, and discover the differences in the composition of the version 2 and 3 sets. Note: the version 0 set contained 40 Dependentfiles , so I left it out for space reasons:

root# 

rpcclient -U 'Administrator%
secret
' -c 'enumdrivers 3' 10.160.50.8 


 Printer Driver Info 3:
         Version: [3]
         Driver Name: [Canon iR8500 PS3]
         Architecture: [Windows NT x86]
         Driver Path: [\\10.160.50.8\print$\W32X86\3\cns3g.dll]
         Datafile: [\\10.160.50.8\print$\W32X86\3\iR8500sg.xpd]
         Configfile: [\\10.160.50.8\print$\W32X86\3\cns3gui.dll]
         Helpfile: [\\10.160.50.8\print$\W32X86\3\cns3g.hlp]
 
         Dependentfiles: [\\10.160.50.8\print$\W32X86\3\aucplmNT.dll]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\3\ucs32p.dll]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\3\tnl32.dll]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\3\aussdrv.dll]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\3\cnspdc.dll]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\3\aussapi.dat]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\3\cns3407.dll]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\3\CnS3G.cnt]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\3\NBAPI.DLL]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\3\NBIPC.DLL]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\3\cpcview.exe]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\3\cpcdspl.exe]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\3\cpcedit.dll]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\3\cpcqm.exe]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\3\cpcspl.dll]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\3\cfine32.dll]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\3\cpcr407.dll]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\3\Cpcqm407.hlp]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\3\cpcqm407.cnt]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\3\cns3ggr.dll]
 
         Monitorname: []
         Defaultdatatype: []

 Printer Driver Info 3:
         Version: [2]
         Driver Name: [Canon iR5000-6000 PS3]
         Architecture: [Windows NT x86]
         Driver Path: [\\10.160.50.8\print$\W32X86\2\cns3g.dll]
         Datafile: [\\10.160.50.8\print$\W32X86\2\IR5000sg.xpd]
         Configfile: [\\10.160.50.8\print$\W32X86\2\cns3gui.dll]
         Helpfile: [\\10.160.50.8\print$\W32X86\2\cns3g.hlp]
 
         Dependentfiles: [\\10.160.50.8\print$\W32X86\2\AUCPLMNT.DLL]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\2\aussdrv.dll]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\2\cnspdc.dll]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\2\aussapi.dat]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\2\cns3407.dll]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\2\CnS3G.cnt]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\2\NBAPI.DLL]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\2\NBIPC.DLL]
         Dependentfiles: [\\10.160.50.8\print$\W32X86\2\cns3gum.dll]
 
         Monitorname: [CPCA Language Monitor2]
         Defaultdatatype: []

If we write the “version 2” files and the “version 3” files into different text files and compare the result, we see this picture:

root# 

sdiff 2-files 3-files



 cns3g.dll                     cns3g.dll
 iR8500sg.xpd                  iR8500sg.xpd
 cns3gui.dll                   cns3gui.dll
 cns3g.hlp                     cns3g.hlp
 AUCPLMNT.DLL                | aucplmNT.dll
                             > ucs32p.dll
                             > tnl32.dll
 aussdrv.dll                   aussdrv.dll
 cnspdc.dll                    cnspdc.dll
 aussapi.dat                   aussapi.dat
 cns3407.dll                   cns3407.dll
 CnS3G.cnt                     CnS3G.cnt
 NBAPI.DLL                     NBAPI.DLL
 NBIPC.DLL                     NBIPC.DLL
 cns3gum.dll                 | cpcview.exe
                             > cpcdspl.exe 
                             > cpcqm.exe
                             > cpcspl.dll
                             > cfine32.dll
                             > cpcr407.dll
                             > Cpcqm407.hlp
                             > cpcqm407.cnt
                             > cns3ggr.dll

Do not be fooled! Driver files for each version with identical names may be different in their content, as you can see from this size comparison:

root# 

for i in cns3g.hlp cns3gui.dll cns3g.dll; do                  \
           smbclient //10.160.50.8/print\$ -U 'Administrator%xxxx' \
           -c "cd W32X86/3; dir $i; cd .. ; cd 2; dir $i";      \
		   done


  CNS3G.HLP               A   122981  Thu May 30 02:31:00 2002
  CNS3G.HLP               A    99948  Thu May 30 02:31:00 2002

  CNS3GUI.DLL             A  1805824  Thu May 30 02:31:00 2002
  CNS3GUI.DLL             A  1785344  Thu May 30 02:31:00 2002

  CNS3G.DLL               A  1145088  Thu May 30 02:31:00 2002
  CNS3G.DLL               A    15872  Thu May 30 02:31:00 2002

In my example were even more differences than shown here. Conclusion: you must be careful to select the correct driver files for each driver version. Don't rely on the names alone, and don't interchange files belonging to different driver versions.

Samba HowTo Guide
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