- From eight to eleven characters
- No spaces
- One upper case letter minimum
- One lower case letter minimum
- One number minimum
- Just one (and only one) exclamation mark (do not use any other so-called "special" characters)
Why? My best guess as to why this may make a difference is that you are trying to get a Linux server (Google) to work with a password from a Microsoft Active Directory Domain Controller (SJSUOne). This is not official; it is a suggestion, but it usually works.
No, you cannot reuse your old password. Just forget that idea.