This week Microsoft Released Update Rollup 8 for Microsoft Exchange 2010 SP3, after installation of this update users experience various Outlook issues when they use Shared Mailboxes.

This fix is to uninstall the Update Rollup (kb2986475) and reboot the exchange server. Microsoft have now withdrawn the Update and will release a new version once they have resolved the issue.

If any customer is experiencing any issues then please contact our Support Desk, We have declined the update in any Customer who uses our Patch Management solution