/mcpThe text name of the partition to which the seventh alternate extension belongs. N/A Optional Optional Extension_Alt7_Partition The eighth alternate extension for the user. The value must be unique in the partition. Any combination of ASCII alphanumeric characters, from 1 to 40 characters long. N/A Optional Optional Extension_Alt8 (Users With Mailbox Only) The text name of the partition to which the eighth alternate extension belongs. N/A Optional Optional Extension_Alt8_Partition (Users With Mailbox Only) The ninth alternate extension for the user. The value must be unique in the partition. Any combination of ASCII alphanumeric characters, from 1 to 40 characters long. N/A Optional Optional Extension_Alt9 (Users With Mailbox Only) The text name of the partition to which the ninth alternate extension belongs. N/A Optional Optional Extension_Alt9_Partition (Users With Mailbox Only) The Cisco Unified Communications Manager user ID that is associated with the user. Any combination of characters except for non-printing ASCII characters, up to a maximum of 128 characters. N/A Optional Optional CcmId (Users With Mailbox Only) The display name of the Exchange 2010 external service that corresponds with the Exchange 2010 server that contains the Exchange 2010 mailbox for this user. To add an Exchange 2010 external service for a user, include values for both the Exchange2010Service_ServiceDisplayName and Exchange2010Service_EmailAddress fields in the CSV input file. To remove the Exchange 2010 service for a user, set at least one of either the Exchange2010Service_ServiceDisplayName and Exchange2010Service_EmailAddress fields to %null% in the CSV input file N/A Optional Optional Exchange2010Service_Service DisplayName (Users With Mailbox Only) System Administration Guide 318 Bulk Administration Tool Bulk Administration Tool