Buttar

Azhar Ali Buttar has 20 years of experience working in different domains within IT industry. From network protocols to server hardening, he knows about multiple areas and has been working side by side with MNCs to provide cost-effective security and infrastructure solutions. Azhar’s expertise lies in off-site and hybrid infrastructure deployment using multiple platforms which includes, but not limited to, Azure, AWS, Google and Private Clouds. He has also been leading several infrastructure and security teams to deploy and perform security optimization in multiple projects, and now leads Nocastra with his decision-making and client-oriented skills.

Sending reported error (0x800CCC13) – Outlook 2013

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Sending’ reported error (0x800CCC13) : ‘Unable to connect to the network. Check your network connection or modem.’ One of my client faced this issue after upgrade from windows 8.1 to windows 10. Outlook was behaving very strange. He was able to receive all the emails on multiple email account but was not able to send … Read more

How to set max db connections in postgres

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How to set max db connections in postgres If you have developed a very poor application which creates more and more connections to your database server configured on PostgreSQL and its not releasing the unused connections, Surely you will encounter this problem one day. You need to do this configuration on your Postgres to increase … Read more

4 Powerful Penetration Testing Tools

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Penetration testing is the most demanding side of the web applications now a days. Its really important that you secure your website or web application from hackers to save your business. Availability is the main backbone of any business oriented application. To ensure your up time make sure that your have catered the most dangerous … Read more

Microsoft Azure Process for Penetration Testing

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An Overview of Penetration Testing on Azure Security assessment is an important part of application development and deployment. Microsoft conducts regular penetration testing to improve Azure security controls and processes. No one can start the penetration testing without letting know the Azure team (legally) but if you have started the penetration testing of your application … Read more

Error 0x80072746: An existing connection was forcibly closed by the remote host

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Microsoft Hyper-V offers live migration of the Virtual Machines from one hardware to another hardware. It will move the running virtual machine from one server to another. Above error occurred while I was moving my virtual machine from an older server to a new Dell R720 server which came with new processor type. A complete … Read more

Application server Role, Web Server (IIS) Role configuration error SharePoint Server 2013

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If you are installing Microsoft SharePoint Server 2013 on Microsoft Windows 2012 R2 Server then you will surely face this issue because of a missing Application in Windows 2012 R2 Server. The issue was “Application server, IIS server configuration error”. This error occurred because ServerManagerCMD application is not given in Microsoft Windows 2012 R2 Server. … Read more

No suitable device found: No device found for connection CentOS

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No suitable device found: No device found for connection CentOS No suitable device found, No device found for connection was the error I faced. I encountered this issue while I was migrating a Virtual machine created and managed in PHPVBOX. I converted this virtual machine using the PHPVBox utility and wanted to use this on … Read more