70-294 Concept: Cache Universal Group Membership

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Enable Universal Group Membership instead of Global Catalog in Active Directory Sites where:

  • There is low WAN usage <90%
  • The need for a GC is purely for authenticiation, and logon times are slow
  • Use only needed in multi-domain environments
  • The hardware is unable to support a Global Catalog

Exam Alert: Uniersal Group Membership, while technicially a caching mechanism, is not considered “cached credentials” for the purpose of answering exam questions. So if the exam states that you do not want to use cached credentails, UGM is okay – they are referring to using cached credentials on the local PC.