How do I start a log reader agent?

How do I start a log reader agent?

To start and stop a Snapshot Agent, Log Reader Agent, or Queue Reader Agent from Replication Monitor

1. Expand a Publisher group in the left pane, expand a Publisher, and then click a publication.
2. Click the Agents tab.
3. Right-click an agent, and then click Start Agent or Stop Agent.

How do I check my log reader agent status?

To monitor the Snapshot Agent and Log Reader Agent Right-click a publication, and then click View Log Reader Agent Status or View Snapshot Agent Status. In the View Log Reader Agent Status or View Snapshot Agent Status dialog box: View agent status. Start or stop the agent if necessary.

What is log reader agent on SQL Server?

The Replication Log Reader Agent is an executable that monitors the transaction log of each database configured for transactional replication and copies the transactions marked for replication from the transaction log into the distribution database.

How do I troubleshoot SQL Server transactional replication problems?

Find errors with the Distribution Agent

1. Connect to the publisher in SQL Server Management Studio.
2. In Replication Monitor, select the AdvWorksProductTrans publication, and select the All Subscriptions tab.
3. The Distributor to Subscriber History dialog box opens and clarifies what error the agent is encountering:

How do I enable verbose logging in SQL Server?

1. Right click on SQL Server Agent –> Porperties.
2. Turn on “Include execution trace messages”; Click Ok.
3. Restart SQL Agent and View Current Agent Error Log.

What is Sp_replcmds?

sp_replcmds is used by the log reader process in transactional replication. Adding qualified table names allows replication of data from tables owned by a specific user in one database to tables owned by the same user in another database.

What is a log reader?

The Log Reader Agent is responsible for moving transactions marked for replication from the transaction log of the published database to the distribution database. Each database published using transactional replication has its own Log Reader Agent that runs on the distribution server.

How do I enable SQL logging?

To enable temporary SQL logging:

1. Go to > General Configuration > Logging and Profiling.
2. Choose Enable SQL Logging.

What is Log_reuse_wait_desc?

Firstly, what is log_reuse_wait_desc? It’s a field in sys. databases that you can use to determine why the transaction log isn’t clearing (a.k.a truncating) correctly.

Can not execute as the database principal?

Cannot execute as the database principal because the principal “dbo” does not exist, this type of principal cannot be impersonated, or you do not have permission. This problem occurs when all the following conditions are true: The owner of the database is a domain user or a SQL Server authorization login.

Why is the log reader agent not running?

I created a transactional replication on PRE-PROD (via TSQL) and everything works as expected. On PROD platform replication is not working. While inspecting Replication monitor, I get this error message for Log Reader Agent: The job failed. The Job was invoked by User sa. The last step to run was step 2 (Run agent.). Any idea why I get this error?

What to do if SQL server log reader is not running?

Now restart your SQL Server agent and see if it works this time. If it continues to occur you will need to stop all log reader agents and then check select * from MSlogreader_history to see if any agents have a value of 1. If so, set it to 2.

How to check the status of a log reader?

If the selected session ended in an error, the text area labeled Error details or message of the selected session is also displayed. Select which Log Reader Agent sessions to view. The Log Reader Agent typically runs continuously, therefore there might be only one session to view. The status of the Log Reader Agent.

Where to find log reader agent in SQL?

The Log Reader Agent dialog box displays detailed information on the Log Reader Agent, including status, history, informational messages, and any error messages. Select which Log Reader Agent sessions to view from the View menu, and then select a specific session in the grid labeled Sessions of the Log Reader Agent.