[cvsnt] Error on run cvs diff

[Domenico Macri]

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Hi

when I run this comand
cvs diff  --brief  -N -c -r  InfoCommProd20071105-start -r
InfoCommProd20071205-start  1>DiffFrom20071105To20071205.txt

I get this message:

>set DT1=20071105
>set DT2=20071205
>set TAG1=InfoCommProd20071105-start
>set TAG2=InfoCommProd20071205-start
>set OUTFILE=DiffFrom20071205.txt
>set OUTFILE1=DiffFrom20071105To20071205.txt
>set PROJECT=D:\Sviluppo\WarProd\InfoComm
>set CVSROOT=:pserver;username=ut01240;hostname=srvr-dc02:/data/cvs
>d:
>cd D:\Sviluppo\WarProd\InfoComm

>REM DIFFERENZA TRA DUE TAG
>cvs diff  --brief  -N -c -r  InfoCommProd20071105-start -r
InfoCommProd20071205-start  1> DiffFrom20071105To20071205.txt

cvs server: Diffing .
cvs [server aborted]: Cannot use reserved filename 'nul' on NT based
machines



Server CVS :Concurrent Versions System (CVSNT) 2.5.03 (Scorpio) Build 2382
(client/server)
Run on Windows Server 2003 SP2

Thanks fo your help

njko