public information store

Definition of public information store in The Network Encyclopedia.

What is Public Information Store?

One of the two databases within the information store on a Microsoft Exchange Server computer. The public information store stores content for public folder replicas on the server. The public information store consists of a number of files in the \mdbdata directory on the Exchange server.

These files include the following:

  • Pub.edb:
    Actual database file


  • Edbxxxxx.log:
    Contains transaction files for tracking changes to the database


  • Edb.chk:
    A checkpoint file to keep track of transactions in edbxxxxx.log that are uncommitted


  • Res1.log and Res2.log:
    Reserved log files used in low disk space conditions


  • Temp.edb:
    A temporary file used for storing transactions that are in progress