The server did not allow downloading files using IE. This page explains how to work around this: https://aws.amazon.com/premiumsupport/knowledge-center/ec2-windows-file-download-ie/
SSL/Certificate issues between Cloudfront and the EC2 instance. Thanks to: https://bobcares.com/blog/cloudfront-wasnt-able-to-connect-to-the-origin-how-to-fix/. Solution: run PoziServer on POZI_CONNECT_PORT=3001 with HTTPS=false
The server expired the Administrator password after 45 days. Make sure to set Password never expires for every user, especially Administrator. You can do this via Computer management
Increase Disk Space
Log into the machine using RDP
Shut down the machine
Wait for the machine to be shut down by looking at https://ap-southeast-2.console.aws.amazon.com/ec2/v2/home?region=ap-southeast-2#InstanceDetails:instanceId=i-09ddd4f41c2572984
Create a snapshot of the volume through https://ap-southeast-2.console.aws.amazon.com/ec2/v2/home?region=ap-southeast-2#VolumeDetails:volumeId=vol-088b383963de9b728
Request resize from 30GB to 50GB
Start instance
Observe that the IP address has changed from 13.211.106.117 to 13.54.118.232 (or from ec2-13-211-106-117.ap-southeast-2.compute.amazonaws.com to ec2-13-54-118-232.ap-southeast-2.compute.amazonaws.com)
Log back into machine as administrator using RDP
Follow instructions to inform Windows of the resize: https://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/recognize-expanded-volume-windows.html
Restart just to be sure (technically not necessary)
Change the origin for the Cloudfront distribution of E1UOYGEWAAJEZ1 https://console.aws.amazon.com/cloudfront/v3/home?#/distributions/E1UOYGEWAAJEZ1/origins to ec2-13-54-118-232.ap-southeast-2.compute.amazonaws.com and wait for it to be deployed
Observe that PoziServerCloud is up and running again on: Pozi Connect Server
Rename the userdata folder to reflect new IP address (eg from ec 213211106117 to ec 21354118232)