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  1. BlackBerry Docs
  2. BlackBerry UEM 12.18
  3. Planning and Architecture
  4. UEM Disaster Recovery Guide
  5. Installation and configuration
  6. Install and configure the BEMS-PNS cluster

Install and configure the
BEMS
-PNS cluster

Install and configure the BEMS-PNS cluster, including Mail and Enterprise Services, but not Presence.
Before you add a
BEMS-Mail
 instance for disaster recovery, complete the following actions:
  • Configure database replication for the
    BEMS-Mail
     database (
    BEMS-Core
    ) from your primary site to your secondary site. SQL log shipping is recommended. Consult your database administrator for assistance.
  • Make sure that the appropriate network ports are open to allow the
    BEMS-Mail
     servers within your secondary site to communicate with the database,
    Microsoft Exchange Server
     and
    BlackBerry Proxy
     servers in your secondary and primary site.
  1. Install
    BEMS
     on each
    BEMS-Mail
     server at the primary site. Select the
    Mail
     option in each case. Use the same database for all the servers in this cluster.
  2. Install
    BEMS
     on each
    BEMS-Mail
     server at the secondary site. Select the
    Mail
     option in each case. Add the servers to the same database that you used in step 1.
  3. At the primary site, in the
    BEMS
     dashboard (
    BEMS
     System Settings >
    BEMS
     Configuration >
    BlackBerry Dynamics
    ), configure one or more
    BlackBerry Proxy
     servers from one or more clusters from the primary site. This list is used only for startup. Make sure that you clear the 'Apply to other nodes in this BEMS cluster' check box. Repeat this step for each
    BEMS
    -PNS instance in the primary site.
  4. At the secondary site, in the
    BEMS
     dashboard (
    BEMS
     System Settings >
    BEMS
     >
    BlackBerry Dynamics
    ), configure one or more
    BlackBerry Proxy
     servers from one or more clusters from the secondary site. This list is used only for startup. Make sure that you clear the 'Apply to other nodes in this BEMS cluster' check box. Repeat this step for each
    BEMS
    -PNS instance in the secondary site.
  5. Configure the appropriate mail server and active directory settings and test them from both sites.
  6. Stop the services on the servers at the secondary site.
  7. In the
    BlackBerry UEM
     management console, in the Default
    BlackBerry Dynamics
     connectivity profile, do the following. Depending on your environment configuration, additional server-side services might be required. For more information about
    BEMS
     services and server-side bindings, see the Additional information.
    1. Under
      App servers for BlackBerry Core and Mail Services
      , for each of the
      BEMS-Mail
       servers at the primary site, set the
      Priority
       to PRIMARY and set the
      Primary BlackBerry Proxy cluster
       to BPCluster1.
    2. Under
      App servers for BlackBerry Core and Mail Services
      , for each of the
      BEMS-Mail
       servers at the secondary site, set the
      Priority
       to SECONDARY or TERTIARY and set the
      Primary BlackBerry Proxy cluster
       to BPCluster2.