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Showing posts from October, 2015

Email Alerts are not received...

In one of application, Email alerts are sent using SQL sp_send_dbmail stored procedure. Email alerts were working properly, but suddenly noticed email alerts are not received.

To troubleshoot the issue, first I checked the msdb.dbo.sysmail_event_log table using the below query.

SELECT log_id, event_type, log_date, description, process_id, mailitem_id, account_id, last_mod_date, last_mod_user
log_date DESC

If there is any error, you should see records with the event_type value as error.
In my case there are records with event_type value as error, and the description value for those records is same as below

The mail could not be sent to the recipients because of the mail server failure. (Sending Mail using Account 3 (2018-02-01T10:41:27). Exception Message: Cannot send mails to mail server. (The SMTP server requires a secure connection or the client was not authenticated. The server response was: Authentication required).  )

As per the error descript…

Errors in the OLAP storage engine: A duplicate attribute key has been found when processing:

While processing a dimension, processing got failed and shown the below warning as well.
Errors in the OLAP storage engine: A duplicate attribute key has been found when processing:..
But when I checked the values of the mentioned attribute, there were no duplicate values. But the relevant column data type is INT and it has a value as NULL. When I checked the dimension attribute key column properties, NullProcessing property is set to Automatic. Actually this is causing the above error message since during the processing, NULL values are converted to 0 and we already have an attribute value as 0. Same issue can happen for the string data types having blank value as well.
To fix this we can replace NULL values with the relevant value in the Data Source View of the Cube or replace it in the Data Warehouse using the ETL. Best way to do is to change it in the Data Warehouse.
Below link contains more details about this issue as well.…

Error message when trying to open SQL Server Configuration Manager in SQL Server: "Cannot connect to WMI provider. You do not have permission or the server is unreachable"

We had an issue that SQL Server Analysis Server is not getting started and cannot connect to the SQL Server Configuration Manager as well. While trying to connect to the SQL Server Configuration Manager, got the below error message.

Cannot connect to WMI provider. You do not have permission or the server is unreachable. Note that you can only manage SQL Server 2005 and later servers with SQL Server Configuration Manager.

According to the below Microsoft support link, it says that the WMI Provider file is removed when the SQL Server is uninstalled.

But in my case that is not the reason, since we did not do any uninstall. Possible reason could be that file is corrupted.

Before following the steps mentioned in the link, you can just try the below steps.

Stop the Analysis Service serviceRestart the Windows Management Instrumentation serviceThen try to restart the SQL Server Analysis Service service.Check whether the SQL Server Analysis Service s…