Imagine a toxic pattern: User A blocks User B → unblocks them to view their profile secretly → re-blocks them so User B can’t retaliate. This creates a one-way mirror where the blocker can stalk the unblocked person without consent. LinkedIn’s 48-hour window closes that loophole. If you unblock someone, you give them a minimum of two days to view your profile freely.
Once the 48-hour timer expires, you can successfully re-block the user by following these steps: Navigate to the target user's LinkedIn profile.
When you unblock someone, LinkedIn has to reverse all of those actions. The algorithm has to decide: "Do they become a 3rd-degree network member again? Do we restore the old connection?"
It is worth noting that while there is a delay to re-block , the act of unblocking is instantaneous. Once you unblock someone, they are unblocked immediately. There is no "Undo" button to save you from the 48-hour wait.
Select and choose the applicable reason (harassment, spam, fake account). LinkedIn’s safety team will review the account independently of your block status. How to Properly Re-Block After 48 Hours Imagine a toxic pattern: User A blocks User
If you accidentally unblocked someone and want them blocked again, here is the official timeline you must follow:
If it has been more than 48 hours and you still cannot block the member, one of these specific conditions might be met:
Are you currently experiencing from this user?
“You cannot block this user at this time.” If you unblock someone, you give them a
LinkedIn's blocking system is designed to give you safety without the ability to weaponize the block button. While the 48-hour wait feels like an eternity when you are facing harassment, it is a temporary speed bump. Patience remains the only guaranteed solution to the "Why can't I block them?" question after you have unblocked them.
Click under the How LinkedIn uses your data section. Turn off Allow LinkedIn members to send you messages . Step-by-Step Guide to Re-Blocking After 48 Hours
You had a fight with a former coworker, blocked them, then felt guilty three months later. You unblocked them out of politeness. The next morning, they spammed you with sales pitches. Now you can't block them. You are stuck for 48 hours.
This frustrating scenario leaves many users wondering if their account is broken. The answer is that you are very likely facing an intentional platform limit: a strict 48-hour cooldown period. The algorithm has to decide: "Do they become
: The 48-hour clock starts the precise minute you confirm the unblock.
Your past conversation history with them will reappear in your inbox, though they cannot message you unless you re-connect or have open messages enabled.
: While there is technically no limit to how many people you can block, if you have more than 2,000 members on your list, you may experience technical issues unblocking or managing them.
: This delay prevents users from repeatedly blocking and unblocking individuals to "stalk" profiles while avoiding a permanent block list. User Action
Once the 48 hours pass, Sarah can quietly re-block Dave, effectively disappearing from his LinkedIn world once more. Block a member - overview | LinkedIn Help