At our vSphere 5.1 environment, the SQL Express database has filled up, which led to crash the vCenter service.
The database has been flooded with entries in the tables VPX_EVENT and VPX_EVENT_ARG.
![03-02-2015 15-19-30.jpg 03-02-2015 15-19-30.jpg](https://community.netapp.com/t5/image/serverpage/image-id/1998iA4836DFF3C83D686/image-size/original?v=mpbl-1&px=-1)
Over a sql query, we found that in 5 minute intervals login and logout sessions are created in both tables.
![06-02-2015 08-38-52.jpg 06-02-2015 08-38-52.jpg](https://community.netapp.com/t5/image/serverpage/image-id/1999i670D1EFC9DC9F731/image-size/original?v=mpbl-1&px=-1)
In the vSphere Web Client it could be analyzed in more detail with the logging events.
![06-02-2015 10-09-30.jpg 06-02-2015 10-09-30.jpg](https://community.netapp.com/t5/image/serverpage/image-id/2000i3704276CE7BAD266/image-size/original?v=mpbl-1&px=-1)
An un- and reinstalling of the vsc plugin at least brought the improve, that is no longer a one second frequency interval of the logging, but every five minutes.
After searching the internet, we have the log files of the vsc plugin in windows closer viewed -> " C:\Program Files\NetApp\Virtual Storage Console\ log".
The main reason for the filling of the tables in the vCenter database is the log file named "requests-2015_xx_xx.log".
![06-02-2015 10-16-09.jpg 06-02-2015 10-16-09.jpg](https://community.netapp.com/t5/image/serverpage/image-id/2001i41124680C07D185F/image-size/original?v=mpbl-1&px=-1)
The following entries in the log file is filling the tables in the database until it comes to a standstill.
![06-02-2015 10-17-49.jpg 06-02-2015 10-17-49.jpg](https://community.netapp.com/t5/image/serverpage/image-id/2002iC2637DEA5C611796/image-size/original?v=mpbl-1&px=-1)
Unfortunately i found no configuration option in the vsc plugin, which stops these log entries or reduces them.
I do not know why these entries are created or for which they are needed.
I would be very grateful if someone could propose a solution for it.
Thank you very much