Figure 1 AppleShare IP 6.3.3 alert box
Note: This alert box appears for each module, not just the ARA Server Module.
Solution
1. Use the Extensions Manager to disable the SLP Plugin extension on the AppleShare IP 6.3.3 Server.
2. Make sure that there are no duplicate serial numbers on any AppleShare IP Servers connected to the network. See technical document 60602: "AppleShare IP 6.3: Serial Number Issues"