Affan.Info: a blog about Tech

  • Nginx Reverse Proxy with  SSL Encryption – On Raspberry Pi

    Nginx Reverse Proxy with SSL Encryption – On Raspberry Pi

    One IP address and many or sometimes too may websites hosted on your environment comes with the problem “How to uses standard SSL / HTTPs or HTTP for all of these instead of custom TCP Ports?”. A Raspberry Pi (B3+) in my case Reverse Proxy provide excellent solution to the problem . It is easy…

  • WSUS Hacks

    Install SQLCMD Utility from this link Get SQLCMD Download and Install SQL Server Management Studio (SSMS) Connect to Windows Internal Database Set BITS Download Priority to fix download errors like Set WSUS DB in Multi user Mode

  • NTP Settings Active Directory

    Fix NTP on Domain Controller On parent / primary domain controller verify existing setting for time service On parent / primary domain controller set the External Time Server On client PC or child domain controller test the NTP is reachable On All other domain controllers run following to set PDC as NTP For more detail…

  • Fix VMware vcenter error: 503 Service Unavailable

    vCenter 503 may occur if machine account password is expired or rest . This error may occur if vCenter environment face crash . restart the vCenter services Login to VMware vCenter

  • Forgot Domain Administrator /Windows Administrator Password ?

    Forgot Domain Administrator Password or Windows Administrator? Chances are you will end up finding some expensive tool or some malware. there is a simple and free way to do it . Requirement: Physical Access to Server Windows Server Installation Media Windows Server 2012 R2 or newer In our Lab here we will be using Windows…

  • AD FS Event ID 383 , 199, web.config file is malformed

    AD FS Proxy stopped working with Event ID 383 User Action:Fix the malformed data in the web.config file. or with you are found Event ID 199 Reason behind this is problem in config file microsoft.identityServer.proxyservice.exe.config located at You should take backups (and test those) Best Practice Normal file looks similar to below Quick way is…

  • Uninstall Exchange 2013, Exchange 2010 (Distribution Groups Error)

    After Migration to Microsoft 365 next step is to decommission the on premises Microsoft Exchange environment . Removing Exchange server seems simple process. Just hit remove program and follow the wizard. In most cases it end up in prerequisite checks most of those are simple to follow i,e manage if any mailbox exists on the…

  • Connect to Exchange Online PowerShell From MacOS

    Unable to connect Exchange Online PowerShell From MacOS this is the solution.

  • Home-lab Manage Hyper-V Core with Windows Admin Center

    Hyper-V dynamic memory management gives very flexible and efficient way to manage windows based virtual machines. It is free but only problem with Hyper-V server is lack of GUI and installation of RSAT based tools need a lot of effort to make it work . Install Hyper-V (in this example Microsoft Hyper-V Server 2019 is…

  • Arduino Water Tank Monitor

    Arduino Water Tank Monitor

    Under ground Water-tank or Well level monitor can be a challenge in summer times . I needed a solution in case a refill tanker is needed my IoT environment should alert in time. Have already Arduino base system running different sensors. Main challenge was the location of water tank which is almost 30 meters away…

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