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OCLC Connexion

OCLC's Connexion client allows CUNY librarians to create, find, edit, and export bibliographic records for use in our local ILS, Aleph.

Connexion: Browser

  1. Point your browser to
  2. Log in with your credentials.
  3. Set Export via your library's OCLC Port by going to General > Admin > Export Options. Make sure to adjust the TCP/IP Connection Options as shown below:

Connexion: Client

  1. Download the latest version of the Connexion client. (As of April 2017, it is v2.63.) Your machine will first need the required ".NET Framework 4 Extended" installed on it using a network administrative account. (If you need help with this step, contact your local IT librarian.)
  2. Set Export via your library's OCLC Port to the below server using Tools > Options > Export. Click on Tools, then Options and choose the 'Export' tab. Click 'Create' and select the 'OCLC Gateway Export' option. You will need your library's port numbers which are the same on both servers:
    • Stage Server:
    • Production Server:
  3. Click on Tools > Options > General > Offline Cataloging Options. Ensure that the appropriate settings are in place (e.g., LC).
  4. Next, click on File > Local File Manager > Configure Paths to make sure that your local files are stored where you intend them to be stored (e.g., on your machine, on a network drive, etc.).
  5. Set the appropriate printers options by clicking on Tools > Options > Printing > Label Options.

Additional resources:

  • OCLC port numbers are used to export records from OCLC's Connexion client into Aleph.
  • MARC organization codes are unique identifiers assigned to CUNY's libraries. These were formerly known as NUC (National Union Catalogue) codes.
  • OCLC symbols are assigned to CUNY's libraries as unique identifiers.
  • Training in Connexion may begin by working one's way through the Recorded Training Courses and requires separate training in cataloging fundamentals