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Main Cause & Possible Resolution of Exchange Error Code 528 & 548

Robin Thomas | July 1st, 2015 | general

Exchange error code 528 is generally encountered while performing the restore operation and error code 548 indicates that exchange server will not create transaction log files. In this blog, I have explained main causes for the occurrence of this error code and possible steps required to resolve the issue.


Exchange Serve Error Code 528

As discussed above error code 528 along with VSS Writer failure is encountered during the restore operation and is generally pops up when exchange users try to perform the integrity check of log files.  This error code is similar to JET_ErrMissingLogFile and happens when edb.chk and edb.log files are missing from the Exchange directory (Exchsrvr\Mdbdata).

exchange error code 582

Exchange server keeps the changes done in database into the transaction log files. These transaction log files are assigned to the Ntds.dit database which ensures that one can retrieve the data when something wrong happens. If these transaction log files are missing or corrupted an error code 528 is encountered.

In the edb.chk file Exchange server maintains the checkpoints where updates are transferred to the Ndts.dit file. This files plays an important role and in case when these files are missing Exchange will not be able to progress the process.

Exchange Server Error Code 548

This error 548 (JET_errLogSequenceEndDatabasesConsistent) occurs after the occurrence of error code 520 and indicates that Exchange will not generate the further transaction log files in the same sequence.

Resolve Error Code 528 & 548

Follow the steps mentioned below to resolve the error code:

  • For verifying Error code 528, go for the check of Application log where the event was actually reported, the description section that will help you in in understanding the root cause in batter way.
  • In case of Error code 548, just delete all the log files and checkpoint files and recover them from the updated copy of backup.
  • To repair the corrupted log file you can use Eseutil & isinteg Command.
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Robin Thomas

Robin Thomas is a technical writer. He wrote plenty of articles or blogs regarding Exchange server mailbox corruption problem and share its precise solution on Google Plus, Twitter and Facebook.