Hi Sattar Ahmed Alamgeer,
error 0X80071a90 usually indicates that a problem with the Windows file system. To resolve this issue, you can try the following steps:
- Run the System File Checker (SFC) tool to scan and repair any corrupted system files. To do this, open the command prompt as an administrator and type sfc /scannow and press Enter.
- You can disable the firewall temporarily.
- Make sure you've installed the latest updates for Windows Server.
- Try installing NCAP services in Safe Mode with Network Connectivity.
Hope it helps.
Best regards,
Lei