New and latest technologies are upgrading day by day and that's why people quite often upgrade their software's and utilities to avail the latest functionalities. But up-gradation and migration is not always that easy as it seems and results several issues. To understand the scenario let's consider a situation where user may experience Outlook Web Access (OWA) error after they migrate their mailbox from Exchange 2003 to Exchange 2007. They will encounter an browser error similar to the one as mentioned below -

"Exception type: Microsoft.Exchange.Data.Storage.StoragePermanentException
Exception message: There was a problem accessing Active Directory."

Cause

Well this issue generally occurs when administrator uses the legacy Exchange System Manager tools to create the user's Mailbox on Exchange Server 2007 and the legacy tools has an incorrect attribute to the user account i.e. msExchVersion attribute is not set correctly on the user object in the Active Directory.

Solution

In order to fix the problem of accessing Active Directory you have to follow these below mentioned steps -

• First check for the correct attributes in the Active Directory using Get-Mailbox cmdlet command.
• Once you have find the affected mailboxes, then try to use this below mentioned Exchange Management Shell cmdlet command to correct the multiple mailboxes.
  • Set -Mailbox User_Name -ApplyMandatoryProperties.

If you succeeded to resolve this issue using the above mentioned steps then it is good. But in case the issue persists and you are still not able to access your Active Directory then try Exchange Server Recovery third party software to access your data in no time.