Author Archives: Gabriel

The Windows Firewall service terminated with service-specific error 6801 (0x1A91)

in some circumstance it happen, that the windows firewall in your system can’t start and you have some trouble accessible the system remotely while everything looks ok, from local side. Solution: Open a “run as administrator” command prompt. Go to … Continue reading

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Network security matters so much because of peoples’ dependence on technology, but also because of the massive amount of money that has flooded into the Internet. According to companies like Fortinet, computers have spread from computers in private homes to … Continue reading

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How to remove the expired password in Oracle 11g or No access to Enterprise Manager

If you are trying to connect to the Oracle enterprise Manger and you get the following errors: Enterprise Manager is not able to connect to the database instance, and in the “Agent connection to instance” section: Status: Failed Details: ORA-28001: … Continue reading

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Something about me!

You are welcome to my website. My name is Gabriel Rabbaa, I’m specialist in IT systems, network infrastructure and databases. This website will be dedicated to my experience and knowledge in IT.  

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