User ID number   othershow all attributes
Name uidNumber
Description An integer uniquely identifying a user in an administrative domain
Vocabulary not applicable, no controlled vocabulary
References RFC2307, nis.schema (1), nis.schem (2)
OIDC n/a
LDAP Syntax Integer
# of values single
Example values
  • 912
  • 41032


The uidNumber is the user's integer identification number, associated with the user's login name in the uid attribute."


  • uidNumber is security sensitive. This attribute SHOULD NOT be provided to resources outside the issuing home organization. It is mostly anyhow not unique across organizations.

All attribute definitions in a single document: Switch edu-ID Attribute Specification