Troubleshooting synchronization

These questions and actions will help you troubleshoot the synchronization problems.

1. How long has the problem been occurring?
   • Is this a first time installation?
   • Did the feature work until some point and then start failing?
2. If the problem occurred after a period of normal operation, did anything change in the environment?
   • Was the client, host, or server upgraded to a new patch level?
   • Was an operating system patch applied?
   • Did the network environment change? For example, was a server moved or a domain migrated?
   • Did the system (client or server) crash recently?
3. When does the problem occur? Is it occurring during the server replication or the client synchronization?
   • If it occurs during synchronization, collect diagnostic data. Refer to Collecting data for synchronization problems for detailed information.
   • If it occurs during replication, refer to Troubleshooting replication.

• Collecting data for synchronization problems
  When you encounter synchronization problems, you can collect diagnostic data to troubleshoot the problems.
• Troubleshooting replication
  If synchronization fails when the data is replicated between your mirror database and source database, use this information to troubleshoot the replication problem.
• Testing the DB2 Everyplace Sync Server servlet
  To ensure that the DB2 Everyplace Sync Server can successfully communicate with clients, make sure that the DB2 Everyplace Sync Server servlet is running. Follow these steps to make sure that the servlet is working properly.
• Providing error-handling logic for user-exits
  Frequently, error messages from the Mobile Devices Administration Center logs require that you take action to resolve the problem indicated in the message text. To simplify day-to-day synchronization management, you might choose to add your own logic to automatically perform these actions when a particular error message is issued.
• Devices are reset by Sync Server
  Devices are reset by DB2 Everyplace Sync Server.
• Hints and tips
  A number of frequently used hints and tips are available to help you solve the problem.