scripts: vsql certificate script recovery paths from the second review
- A rollback record now says which restarts succeeded. A snapshot stays open while an instance is unrestored or its restart failed (or was declined), so -Rollback -RestartInstances retries exactly those instead of reporting done or stepping back to an older deployment. - Running dependents (SQL Server Agent) are written to dependents-<service>.json before the stop and removed once they run again, so a failed restart does not leave Agent stopped for good. - GetRegValue returns $null only for a value confirmed absent; a missing key or read error throws, so it is never snapshotted or verified as absent. - Instances come from the value names of Instance Names\SQL; the 'PS*' filter dropped names such as PSREPORTING. Tests for each, including the real registry operations on an HKCU test key. Pester green on PowerShell 7.6 (63) and Windows PowerShell 5.1 (62, 1 skipped). Co-Authored-By: Claude Opus 5.5 <[email protected]>
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@@ -229,7 +229,7 @@ Docker's default address pool on docker-1 holds fifteen /16 bridge networks (172
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Check the ERRORLOG line again. The production stack's own doctor run is Spencer's, with its own approval.
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6. Rollback. Each deployment saved `deploy-<time>.json` in `C:\ProgramData\PacketStation\vsql-cert`. `-Rollback` restores the newest one not yet rolled back. It restores each instance on its own, reads each value back and lists any failure. Preview it, then run it:
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6. Rollback. Each deployment saved `deploy-<time>.json` in `C:\ProgramData\PacketStation\vsql-cert`. `-Rollback` restores the newest one not yet rolled back. It restores each instance on its own, reads each value back and lists any failure. If a restart fails, fix the cause and run the same command again: it retries only the instances not yet restored or restarted, and starts SQL Server Agent if it ran before the failed attempt. Preview it, then run it:
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```powershell
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powershell -ExecutionPolicy Bypass -File .\Request-VsqlServerCertificate.ps1 -Rollback -Instances DEV -WhatIf
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