I have a SQL Server 2005 box set up for merge replication to SQL

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Asked: May 13, 20262026-05-13T17:41:00+00:00 2026-05-13T17:41:00+00:00

I have a SQL Server 2005 box set up for merge replication to SQL

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I have a SQL Server 2005 box set up for merge replication to SQL Server CE 3.0. The publication, publisher, distributor and IIS have all been set up.

In my application, I attempt to sync the databases using the following code:

//TODO: Change for production
//***************************
string localDBPath = @"C:\Documents and Settings\Robert\Desktop\MyDB.sdf";
//***************************

SqlCeReplication replicator = new SqlCeReplication();
replicator.InternetUrl = "http://myWebServer/sqlcesa30.dll";
replicator.Publisher = "mySqlServer";
replicator.PublisherDatabase = "myDatabase";
replicator.PublisherSecurityMode = SecurityType.NTAuthentication;
replicator.Publication = "myPublication";
replicator.Subscriber = Dns.GetHostName();
replicator.SubscriberConnectionString = @"Data Source=" + localDBPath;

try
{
    // Check if the database file already exists
    if (!System.IO.File.Exists(localDBPath))
    {
        // Add a new subscription and create the local database file
        replicator.AddSubscription(AddOption.CreateDatabase);
    }

    // Transfer the initial snapshot of data if this is the first time this is called.
    // Subsequent calls will transfer only the changes to the data.
    replicator.Synchronize();
}
catch (SqlCeException ex)
{
    // Display any errors in message box
    MessageBox.Show(ex.Message);
}
finally
{
    // Dispose of the SqlCeReplication object, but don't drop the subscription
    replicator.Dispose();
}

Unfortunately, this code fails at the “replicator.Synchronize” line with the following error message:

Failure to connect to SQL Server with provided connection information. SQL Server does not exist, access is denied because the IIS user is not a valid user on the SQL Server, or the password is incorrect.

This error message is not very clear to me and I am running out of places to look for the cause of this. Any ideas?