Fix - 412 Cookies Are Disabled error in Exchange Admin Center when you click hybrid

Exchange Hybried error - 412 Cookies Are Disabled.PNG
Exchange Hybried error - 412 Cookies Are Disabled

If you are using the hybrid deployment of Exchange Online (Microsoft Office 365) and Exchange Server (on-premise), you may face an error 412 Cookies Are Disabled :( and not redirected to the Microsoft Office 365 portal after clicking hybrid from left navigation in Exchange Admin Center on Exchange 2013 Server.

Cookies Are Disabled :(

Please make sure that you enabled cookies in your browser settings and that your Exchange Administration Center 
domain has been added to trusted sites or local intranet zones. Learn more.

How to fix 412 Cookies Are Disabled error ?

The Exchange Admin 412 usually occurs when the computer/laptop system date is set too far in the future OR cookie file is damaged OR option to allow cookies is disabled in the web browser.
Fix the error using these steps

  1. First, ensure the computer/laptop system date and time is correct.
  2. Clear browser cookies.
  3. Enable cookies.

Avoid changing the system time manually to avoid undesired results.

This error can be expected when the clocks are moved to adjust Daylight Saving Time (DST) and the clocks are not in sync.

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