From cmd.exe, when I run:

C:\oracle\client\BIN\sqlplus.exe username@server

then type my password, I get in. However, if I run the same command from PowerShell and type the same password I get:

ORA-01017: invalid username/password; logon denied

After searching for a bit and making triply sure that I'm typing my password right I still can't figure out why SQLPlus isn't working for me from PowerShell. What am I missing?


Arg, found the problem. My username is ops$account and PowerShell treats $ as a start of variable token. Because $account was null the username I was passing was just "ops". I fixed the issue by escaping the $ with the backtick, i.e.

C:\oracle\client\BIN\sqlplus.exe ops`$account@server

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