René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Start-Process fails with `EnvironmentBlockTooLong` error","articleBody":"It seems that Start-Process has a [hardcoded limit](https://github.com/PowerShell/PowerShell/blob/a0e9d7b04069da2de2cfa844459c2c859e363088/src/Microsoft.PowerShell.Commands.Management/commands/management/Process.cs#L2342) for the environment block, which I am hitting when running in Azure Pipelines (which sets lots of environment variables)\r\n\r\nAccording to the [documentation](https://docs.microsoft.com/en-gb/windows/win32/procthread/environment-variables) this limit only existed for Windows XP, is there any reason for it to remain?\r\n\r\n## Steps to reproduce\r\n\r\n```powershell\r\nStart-Process -FilePath \"myprocess.exe\"\r\n```\r\n\r\n## Expected behavior\r\n\r\nProcess is executed\r\n\r\n## Actual behavior\r\n\r\n```none\r\n2020-11-17T14:21:34.1311704Z Start-Process : EnvironmentBlockTooLong\r\n2020-11-17T14:21:34.1313656Z At C:\\Program Files\\PowerShell\\Modules\\PSDeployTools\\1.1.55\\Functions\\Invoke-Process.ps1:44 char:16\r\n2020-11-17T14:21:34.1315142Z +     $process = Start-Process @processParams\r\n2020-11-17T14:21:34.1316243Z +                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~\r\n2020-11-17T14:21:34.1317681Z + CategoryInfo          : NotSpecified: (:) [Start-Process], InvalidOperationException\r\n2020-11-17T14:21:34.1319184Z + FullyQualifiedErrorId : System.InvalidOperationException,Microsoft.PowerShell.Commands.StartProcessCommand\r\n```\r\n","author":{"url":"https://github.com/hbuckle","@type":"Person","name":"hbuckle"},"datePublished":"2020-11-17T14:38:46.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":13},"url":"https://github.com/14110/PowerShell/issues/14110"}