XGEN: X.400 "OR Attribute Name" Length Values

SUMMARY

Microsoft Exchange is compliant with the X.400 1988 and 1984 EN/ENV 41.201/41.202 profiles for addressing schemes for OR Names. The following is the standard table that Microsoft Exchange is compliant with and the length values that it supports for OR Name attributes:

   Attribute                    Length
   -------------------------------------------------
   Country Name                   3 characters
   ADMD                          16 characters
   PRMD                          16 characters
   OrgName                       64 characters
   FreeFormName (Common Names)   64 characters
   OrgUnits 1-4                  32 characters
   DDA Type                       8 characters each
   DDA value                    128 characters each
   Surname                       40 characters
   Given Name                    16 characters
   Initials                       5 characters
   GQ                             3 characters