Update Rollup 5 for Exchange Server 2010 Service Pack 1

À hora que estou a escrever isto, pelo menos 10 (!) outros bloggers já postaram esta informação. Ainda assim, aqui fica pela 11ª vez :)

O Update Rollup 5 for Exchange Server 2010 Service Pack 1 foi recentemente disponibilizado publicamente e está disponível para download.

Overview
Update Rollup 5 for Exchange Server 2010 Service Pack 1 resolves issues that were found in Exchange Server 2010 Service Pack 1 since the software was released. This update rollup is highly recommended for all Exchange Server 2010 Service Pack 1 customers.
For a list of changes that are included in this update rollup, see KB2582113.

Para além da leitura do artigo da Knowledge Base, recomendo vivamente este post da Equipa do Microsoft Exchange, que contém informação bastante importante:

We want to let you know this rollup contains the Exchange 2010 SP1 version of the change described in this KB article:

2543879 PDF attachment from a Mac Mail client is not displayed when you use Outlook 2010 to open the email message in an Exchange Server 2007 SP3 environment

We would also like to specifically call out the following fixes which are included in this release:

• 2556352 MoveItem returning empty ChangeKey
• 2555850 Unable to delete a folder whose name has a particular character code
• 2490134 OWA's zip-download does not work for some messages due to invalid chars in the subject

[…]

Note for Forefront users: For those of you running Forefront Security for Exchange, be sure you perform these important steps from the command line in the Forefront directory before and after this rollup's installation process. Without these steps, Exchange services for Information Store and Transport will not start after you apply this update. Before installing the update, disable ForeFront by using this command: fscutility /disable. After installing the update, re-enable ForeFront by running fscutility /enable.