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Using passwords with special chars

If you have passwords that break the yaml format.  i.e. beginning with ! or | etc, they need to be special handled.  They can be entered into the credentials.yml deployment file surrounded by quotes.  However, due to the way encrypted passwords are processed by MetroAE,

vsc_health: Get output of ‘show version’ failed: unable to open shell

We recently saw a user encounter this error when running vsc_health prior to upgrading an existing installation of VSP: unable to open shell. Please see: /network_debug_troubleshooting.html#unable-to-open-shell There are several other Forum topics on this error. For example: But this case was a bit different.