just u told me how many user add in the active directory
If the question is how to tell how many users are in AD, you can use the
command line tool dsquery to output DN's of all users to a text file, then
count the number of lines in the file.
dsquery user > users.txt
I load the file users.txt into the command line edit utility, go to the
bottom of the file, and read the last line number. Or you can use Joe
Richards' free adfind utility:
adfind -b dc=MyDomain,dc=com -f
"(&(objectCategory=person)(objectClass=user))" -c
http://www.joeware.net/freetools/tools/adfind/index.htm
Or you can use a VBScript program that uses ADO to return a count of all
users.