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Yes, my P1 also went to my lawyer. However, when I replied to the email I gave my direct email as the point of contact.

My dependants P2 came to my email and each applicant gets their own P2 email.

Also, I have logged into the PR Portal but only my dependants profile allows access to upload requested documents

It's been 6 weeks now. Dependant got her P2 in 4 week (June 4). Don't know why the extended delay.
This sounds like it might be either that they sent the P2 mail to the lawyer again, despite your instruction to use the direct mail, or (more likely) that this is a technical problem.

In my case I got one email with my (Principal Applicant) name on the top, titled "PR Portal (PR confirmation) - New Credentials for the PR Portal". Then each of my dependents got another email (at the same main email address) titled "PR Portal (PR confirmation) - New Case Created Under Your Account". Which of these subject lines was on the email your dependent got?

In any case, I would suggest to reply to the P1 email address (probably ircc.clientportal-portailclient.ircc@cic.gc.ca) to report the problem. You can tell them that you cannot access your portal (never received credentials, or case not linked to the credentials), and provide the UCI of yourself and your dependent, and the PR application number. Hopefully the officer can re-generate the P2 mail for you. Or you can try to use a webform to report the problem.
 
This sounds like it might be either that they sent the P2 mail to the lawyer again, despite your instruction to use the direct mail, or (more likely) that this is a technical problem.

In my case I got one email with my (Principal Applicant) name on the top, titled "PR Portal (PR confirmation) - New Credentials for the PR Portal". Then each of my dependents got another email (at the same main email address) titled "PR Portal (PR confirmation) - New Case Created Under Your Account". Which of these subject lines was on the email your dependent got?

In any case, I would suggest to reply to the P1 email address (probably ircc.clientportal-portailclient.ircc@cic.gc.ca) to report the problem. You can tell them that you cannot access your portal (never received credentials, or case not linked to the credentials), and provide the UCI of yourself and your dependent, and the PR application number. Hopefully the officer can re-generate the P2 mail for you. Or you can try to use a webform to report the problem.
This is the heading on my dependants P2 email - "PR Portal (PR confirmation) - New Case Created Under Your Account"

I spoke with a live agent and she confirmed receipt of my P1 email and also confirmed all my contact details. She did not provide insights into the account and next steps but she stated that they have everything they require. Im just not sure why the delay and if anyone else is experiencing the same timeline.