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MessageStats 7.8.1 - Report Pack for Lync & Skype for Business User Guide

About This Guide Installing the Report Pack Configuring MessageStats for Lync Managing your Database Using the Lync and Skype for Business Reports Appendix A: Configuring RPC through a Firewall

Configuring RPC on the Lync or Skype for Business Edge Server

In a default Windows installation, the RPC program is configured to randomly assign server ports to any port above 1024. It is unwise to open every port over 1024.

The recommended procedure is to configure RPC to use a specific range of ports. Microsoft recommends using ports 5000 and up. Port numbers below 5000 may already be in use by other applications and could cause conflicts with your DCOM applications.

Microsoft also recommends that a minimum of 100 ports be opened. This example shows how to configure RPC on the Edge server to use ports 5000 to 5100.

Example: To configure RPC to use ports 5000 to 5100
1
Create the following registry key:
HKEY_LOCAL_MACHINE\Software\Microsoft\Rpc\Internet
2
Under the Internet key, add the following values:
•
Ports (MULTI_SZ)
•
PortsInternetAvailable (REG_SZ)
•
UseInternetPorts (REG_SZ)
3
Set the new values as follows:
 
Table 18. Settings for the values under the Internet key.
NAME
TYPE
VALUE

Ports

MULTI_SZ

5000-5100

PortsInternetAvailable

REG_SZ

Y

UseInternetPorts

REG_SZ

Y

4
Reboot the Lync or Skype for Business Edge server.

Configuring the ISA Server

Once you have configured RPC to use a specific set of ports on the Edge server, you make those ports available to the MessageStats server by opening the required ports on the firewall.

In addition to opening the dynamically-assigned ports, you also must open port 135. Port 135 provides access to the RPC Endpoint Mapper. The port must be available for proper operation of RPC.

To open the proper ports on an ISA server
1
Open the ISA Server Management console and select the Firewall Policy node for your Lync or Skype for Business server.
2
Click Action and select New/Access Rule.
3
Enter a name for your access rule (for example, MessageStats RPC) and click Next.
4
Select Allow and click Next.
5
On the Protocols page, add the RPC (all interfaces) protocol.
Be sure you do not add the RPC Server (all interfaces) protocol.
6
Create a new protocol for the range of RPC ports to be used. Set the protocol properties as follows:
•
Protocol Type - TCP
•
Direction - Outbound
•
Port Range - 5000 to 5100
7
Add the newly created protocol type and click Next.
8
In the Access Rule Sources page, add the Internal network.
- OR -
Define the MessageStats server as a network identity and add it.
9
Click Next.
10
In the Access Rule Destinations page, add the Lync or Skype for Business server.
- OR -
Add Local Host if the ISA Server software is installed on the Lync or Skype for Business server.
11
Click Next.
12
On the User Sets page, click Next.
13
Click Finish to close the wizard and create the access rule.
14
Click Apply to apply your changes.
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