Rescheduling your CISSP exam at Pearson VUE: the 24-hour window

The rule that matters fits in one line: you can reschedule or cancel up to 24 hours before the session; past that point the exam fee is forfeited, whether you show up or not. On top of that come rescheduling fees. Everything else — how many reschedules are possible, which reasons are accepted, what gets refunded — is less clear-cut.

These reference points come from candidate accounts published between 2023 and 2026: before taking any action, check the conditions attached to your booking on pearsonvue.com and isc2.org.

How late can you reschedule or cancel your CISSP exam?

Up to 24 hours before the session. Past that point the exam fee is treated as forfeited, whether you show up or not.

The case that illustrates it best is that of a candidate caught out by his own oversight:

"This time, I couldn't reschedule because I simply forgot. It slipped past the 24-hour cancellation window, so I had no choice but to show up."

One nuance: rescheduling — moving the date — and cancelling, which means giving up and possibly asking for a refund, do not necessarily follow the same conditions. The ones attached to your booking are on pearsonvue.com.

How many times can you reschedule?

Several times — but there is a cap, mentioned without being quantified.

"I rescheduled my test twice (until I couldn't reschedule anymore) because I never felt ready."

That cap may apply to the number of reschedules, to a maximum period from the purchase of the voucher, or to the validity of the voucher itself — another candidate recounts having to set a date urgently because his voucher was about to expire at the end of the month.

On cost, only one figure comes up: 50 US dollars per reschedule, described as a "$50 delay" by the candidate who declares it three times in a row. The detailed breakdown of those fees, like that of every other declared amount, is on our reference page: the price of the CISSP exam. Current prices are on isc2.org.

What happens if you miss the 24-hour window?

You lose the benefit of rescheduling: the fee is forfeited all the same, and no refund or catch-up procedure is documented in that situation.

The only reported outcome is that of the candidate quoted above, who showed up for lack of anything better — and passed at 150 questions, even though he was not expecting to. That is an encouraging anecdote, not a strategy: it rests on a sample of one, and the same candidate was coming out of a spiral of reschedules spread over two years.

Two habits this case suggests: note the reschedule deadline as soon as you book, and do not count on a last-minute cancellation as a safety valve.

Can you take the CISSP online from home?

No. All 50 accounts in the sample, covering July 2023 to July 2026, describe sitting the exam exclusively at a physical Pearson VUE center — sometimes at the cost of considerable travel.

"Pearson test center was 4 hour drive, 2 IDs, palm scanner, web cam, video came the works... you guys know the drill."

"months of intensive preparation, and a 900 km trip (train + metro, day and night) just to reach the test center"

The only trace of remote testing is retrospective: one commenter mentions a candidate whose certification had been revoked "when they did online testing" — a past-tense formulation confirming that this option was no longer available over the period covered. If there is an alternative to travelling, that is a question for ISC2.

A practical consequence for rescheduling: a date change does not only cost fees, it can also cost you a train ticket or a hotel night. Several accounts treat travel as a spending line in its own right.

What if the center itself cancels the session?

That happens, and it is costly in time.

"my scheduled test day was canceled due to issues at the testing center. I rescheduled it for four months later"

Four months, with no way of knowing whether that delay came from the center's availability or from the candidate's own choice — and with no mention of compensation, a free reschedule or a claims process.

Another candidate went through two forced reschedules caused by successive hurricanes in Florida, in 2024:

"Scheduled a test for September 27th and it was rescheduled due to Hurricane 1. […] Well Hurricane 2 comes and I have to evacuate."

He ended up sitting the exam between two clean-up sessions — and passed. What these two accounts have in common: the candidate had to take the date back into his own hands, with no documented goodwill gesture. Any recourse has to be pursued with Pearson VUE.

Should you reschedule when you do not feel ready?

Not necessarily: both choices have led to passes, which is information in itself.

On the rescheduling side, several candidates did it to gain preparation time and passed afterwards: "Rescheduled from Feb 26 → March 13"; "I made the decision to push my test back two weeks"; or again "I had to move mine cos I just didn't feel ready."

On the keeping-the-date side, the candidate who missed his 24-hour window showed up without feeling ready — and passed. And the one who rescheduled twice up to the limit writes himself that he never felt ready: rescheduling can become an avoidance mechanism rather than a preparation tool.

So how you feel settles nothing. Replace the question "do I feel ready?" with a measurement: what is your actual level under exam conditions, on timed and complete sessions? That is how we use Cybridia's 4,298 explained questions and 8 timed practice exams — a reschedule decided on stable scores is defensible, a reschedule decided on the previous night's anxiety repeats itself. On what those scores are really worth as a green light, see practice exam scores; on the night-before anxiety itself, managing stress before the exam.

One last figure, for those rescheduling after a failure rather than before one: a candidate announces "I will be retaking in 40 days." The multi-attempt accounts show retakes spaced from a few weeks to several months apart, and we have gathered them in retaking the CISSP after a failure. The official rule on the waiting period between attempts should be checked on isc2.org.