When I try to connect to use mongoexport with my auth-mode server I get the errors shown below when using the 32-bit client but not the 64-bit client. For security, all identifying information has been scrubbed from the example below.

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PS C:\Program Files\mongodb-win32-x86_64-1.8.1\bin> .\mongoexport.exe -h db.mycompany.com:27017 -d <database> -c <collection> -u <username> -p <password> -o <collection>.json
connected to: db.mycompany.com:27017
exported 1 records

PS C:\Program Files\mongodb-win32-i386-1.8.1\bin> .\mongoexport.exe -h db.mycompany.com:27017 -d <database> -c <collection> -u <username> -p <password> -o <collection>.json
ERROR: too many positional options

options:
--help produce help message
-v [ --verbose ] be more verbose (include multiple times for more
verbosity e.g. -vvvvv)
-h [ --host ] arg mongo host to connect to ( <set name>/s1,s2 for sets)
--port arg server port. Can also use --host hostname:port
--ipv6 enable IPv6 support (disabled by default)
-u [ --username ] arg username
-p [ --password ] arg password
--dbpath arg directly access mongod database files in the given
path, instead of connecting to a mongod server -
needs to lock the data directory, so cannot be used
if a mongod is currently accessing the same path
--directoryperdb if dbpath specified, each db is in a separate
directory
-d [ --db ] arg database to use
-c [ --collection ] arg collection to use (some commands)
-f [ --fields ] arg comma separated list of field names e.g. -f name,age
--fieldFile arg file with fields names - 1 per line
-q [ --query ] arg query filter, as a JSON string
--csv export to csv instead of json
-o [ --out ] arg output file; if not specified, stdout is used
--jsonArray output to a json array rather than one object per
line