In that case, in the options file, leave the \cn=... portion out, or just set it to the single container name.

Tested it here with a few names and it seems to work. Of course performance will depend on how big the GAL is. In fact my script for screating the user accounts uses the import mode of admin.exe to create the mailboxes. One of these days I'll get around to cleaning it up and posting it.

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"He was a good little monkey and always very curious..."

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He was a good little monkey and always very curious...