What is the role of the replication distribution agent?
The Replication Distribution Agent is an executable that moves the snapshot (for snapshot replication and transactional replication) and the transactions held in the distribution database tables (for transactional replication) to the destination tables at the Subscribers. Parameters can be specified in any order.
How to know if replication agent has encountered an error?
In the Snapshot Agent history, select the relevant log entry. This is usually a line or two before the entry that’s reporting the error. (A red X indicates errors.) Review the message text in the box below the logs: The replication agent had encountered an exception.
How to troubleshoot replication errors in SQL Server?
Troubleshooting replication errors can be frustrating without a basic understanding of how transactional replication works. The first step in creating a publication is having the Snapshot Agent create the snapshot and save it to the snapshot folder. Next, the Distribution Agent applies the snapshot to the subscriber.
When to use replication monitor to identify errors?
Use Replication Monitor to identify at which point replication is encountering the error (which agent?): If errors are occurring in the Publisher to Distributor section, the issue is with the Log Reader Agent. If errors are occurring in the Distributor to Subscriber section, the issue is with the Distribution Agent.
When does the replication agent report no transaction?
The TransactionsPerHistory value is reached after the last history event is logged. The MessageInterval value is reached after the last history event is logged. If there is no replicated transaction available at the source, the agent reports a no-transaction message to the Distributor.
What’s the max number of replication commands to be issued?
Is the number of transactions to be issued to the Subscriber before a COMMIT statement is issued. The default is 100 and the max is 10000. Is the number of replication commands to be issued to the Subscriber before a COMMIT statement is issued. The default is 1000 and the max is 10000.
How to create a replication agent in SQL Server?
Specify server_name\\instance_name for a named instance of SQL Server on that server. Is the name of the Subscriber database. Is the path to the folder that contains the initial snapshot for a subscription. Is the number of rows to send in a bulk copy operation.