Hello @user_aa9a4a thank you so much for contacting our Xfinity Support Team on our Forums. Are you having this issue both on the app and our website? 

Hi, I'm a new customer and having the same problem. I cannot access my account from my browser nor via the mobile app. I tried the chat but couldn't get to talk to a real person. can somebody please help?

Hello, @jdcalzada. Thanks for reaching out regarding your sign-in issues, and most of all joining the Comcast family. We're excited to provide you with services we know you'll love for years to come. This issue has a quick fix. We just need to send another invite your way.

Could you do me the favor of initiating a chat to Xfinity Support providing your full name and address? To begin a chat, please click the chat icon in the top right of the page. Search for Xfinity Support, if needed. We're looking forward to getting you signed in. 

@XfinityJay Ok I just did, please help, I picked xFinity because it supposed to be faster to get it up and running and now I'm dealing with this.

Thank you for taking the time to reach out to us regarding your issues activating your services. I am so very sorry to hear that you are having this issue. I would love to get to the bottom of this as we certainly want you getting access to the services we know you will love. Can you please reach out through private message with your first and last name, name on the account if different and service address? 

To send a direct message:
 
Please only send a direct message when requested by an official employee--sending a direct message when not requested may result in the message being lost given the high volume of requests received daily. 
Ensure you are first signed in, then you will see an icon at the top right of your page. 
From there, click the 'New Message' icon. In the 'To' field, type 'Xfinity Support'.
Type your message in the text area that appears at the bottom of the window and hit enter to send. An official employee, such as myself or whoever is first available, will respond.

@user_62ddb3 Cant get on the app to install because it doesn't work just like everyone above, and xfinity.com/activate isn't even loading as a site so i cant do it that way either. just gives me:

Bad Message 431

reason: Request Header Fields Too Large

Hello @user_40222d. I am sorry to hear that you are having issues with logging into your account. I would love to assist you. Please send me a direct message with your first and last name, along with your complete service address to “Xfinity Support”. To do so, click on the chat icon located at the top right of this forums page.   

Here are detailed steps to direct message us:  

• Click "Sign In" if necessary 
• Click the direct message icon
• Click the "New message" (pencil and paper) icon 
• Type "Xfinity Support" in the to line and select "Xfinity Support" from the drop-down list 
• Type your message in the text area near the bottom of the window 
• Press Enter to send your message 

Welcome to your community forum, @user_351eb7 and I'm so glad to hear you've started service with us :). I know there are choices out there so I want to make your experience the best! I'll definitely stick with you until we get everything set up and figure out what's going on with the online account.

Please send a direct message by clicking the chat icon in the upper right corner of the page, click on the pen and paper icon, then enter “Xfinity Support” in the “To” section. Please include your name and address and I'll be happy to help! 

Thank you for trusting us to send an invite to your online account to get your services activated, @user_351eb7. We are available here 24/7 and always happy to help with any questions or concerns you may have about your Xfinity services. Have a great rest of your night :).

Hello and thank you for taking the time to reach out to us here on our Xfinity Forums. I can definitely understand the concern if you are running into an error logging into your account! Did you already create an Xfinity user name and password by visiting: https://comca.st/3bkHT2X;

Yes, I created the account already. It’s the same problem as everyone else on this thread.

I'm happy to look into this further with you and I appreciate you clarifying if you had already set up the user name. Please send us a direct message to "Xfinity Support" with your full name and address.

To send a direct message you may need to:
Click "Sign In"
Click the "direct message" icon
Click the "New message" (pencil and paper) icon
Type "Xfinity Support" in the "To:" line and select "Xfinity Support" from the drop-down list which appears. The "Xfinity Support" graphic replaces the "To:" line
Type your message in the text area near the bottom of the window
Press Enter to send it

Hello @user_94bf28. We appreciate you for posting to the Xfinity Community Forum to get help with your login issue. We're truly sorry about the experience you're having and want to assure you you've come to the best place to get this resolved. I'll be happy to take a deeper look into this for you. First. please make sure you're logged into your forums account. The direct messaging icon should be the first icon, to the left of the notification bell in the top right corner of this page. 

Please send a direct message with your name and service address to "Xfinity Support" by clicking on the "Direct Messaging" chat icon in the top right corner of the page, click on the pen and pad icon and enter "Xfinity Support" in the "To" section of the chat. 

You're awesome, @user_b82328! 

Thank you for taking the time to update the community here with how you were able to resolve this issue! 

Also welcome! We're really happy to have you as our customer and look forward to being your provider!  

Hi there @Jovafam! Thank you for reaching out here on Forums for help. I am sorry to hear that you are also experiencing issues with logging into your My Account app. Please send us a direct message so we can help.

Here's the detailed steps to direct message us: 
 • Click "Sign In" if necessary
 • Click the "Peer to peer chat" icon (upper right corner of this page)
 • Click the "New message" (pencil and paper) icon
 • Type "Xfinity Support" in the to line and select "Xfinity Support" from the drop-down list
 • Type your message in the text area near the bottom of the window
 • Press Enter to send your message

Hello, @SuperSiege! We are happy to hear from you here on our forums page. Have you tried to create a username and use the same you have been using? This has worked for other customers. Please let us know how it goes. Thank you for your patience! 

Hi, @mdurham3. Can you visit https://comca.st/3qiLjM9 and choose to attach the existing ID? Let me know. 

ABSOULTLY @user_a82998! Please send me a private message to Xfinity Support with your full name and full address by clicking the chat icon in the top right and I'll help.