Upgrading Cisco Uniﬁed Communications Software 227
Conﬁgure your PA system.
Step 4 Refresh your PA system. To do so, log on to the PA administration interface
and select System > Speech Services > Refresh Now.
NOTE When refreshing a PA server, it can take up to an hour to refresh the service conﬁguration and
reload the directory and speech-recognition grammars. This depends on the size of the
Step 5 Re-enable the McAfee NetShield services and Cisco Security Agent if they
are installed on the PA server.
Upgrading Cisco Uniﬁed Communications Software
Understanding the supported upgrades and the upgrade process will help you to successfully
upgrade Cisco Unity and PA. Some upgrades require more steps than others, and not all
upgrades from previous versions of Cisco Unity to Cisco Unity 4.0 are supported. This is also
true when upgrading to PA 1.4. Being familiar with this will help you to avoid possible
conﬁguration issues and problems that may occur during the upgrade process.
To beneﬁt fully from this section, it is recommended that you should already be familiar with
the following information. (If you need a quick review, see the designated chapter or section,
where you can ﬁnd more information on the topic.)
• The new features that come with Cisco Unity 4.0 (see Chapter 1)
• The features that come with Cisco PA (see Chapter 1)
• The Cisco Unity and Cisco PA software components covered in the “Understanding
Uniﬁed Communications Software” section of this chapter
Upgrading from Cisco Unity 2.4x or 3.x to Cisco Unity 4.0
The upgrade to Cisco Unity 4.0 from previous versions of Cisco Unity is supported. However,
versions of Cisco Unity prior to 3.0 require a reinstallation of Cisco Unity, which includes re-
entering the database. Versions prior to Cisco Unity 3.0 stored database attributes in Exchange’s
custom attributes 12 to 15, because the Exchange Directory Service was not extensible. With
the release of Cisco Unity 3.0, Microsoft SQL Server 2000 or MSDE became the main database
store. It is not possible to move the attributes from Exchange to SQL without reinstalling the
The procedures for performing the supported upgrades are discussed later in this section.