Over the years, displaying recipient photographs in the Global Address List (GAL) has been a frequently-requested feature, high on the wish lists of many Exchange folks. Particularly in large organ...
Updated Jul 01, 2019
Version 2.0
Blog Post
@Dean: GAL (Global Address List) and Address Lists are views of recipient information in Active Directory. So you're not copying anything in a GAL/Address List. For OABs, thumbnailPhoto is included as indicator attribute (the picture isn't actually copied to the OAB).
Global Catalog is just another partition on a Domain Controller that contains partial replica of objects from all domains in the forest. Exchange looks up GCs for user information. In a multi-domain environment, GCs allow you to quickly lookup the replicated info.
Note, you don't need to set the attribute to replicate to GCs in a single-domain environment - it works without the change.
Global Catalog is just another partition on a Domain Controller that contains partial replica of objects from all domains in the forest. Exchange looks up GCs for user information. In a multi-domain environment, GCs allow you to quickly lookup the replicated info.
Note, you don't need to set the attribute to replicate to GCs in a single-domain environment - it works without the change.