public information store

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