Got a message "The signature on the certificate was found to be invalid, please check log file for details" when access the domino server 8.5. What wrong? How to fix?

Got a message "The signature on the certificate was found to be invalid, please check log file for details" when access the domino server 8.5. What wrong? How to fix?
litmicAsked:
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Sjef BosmanGroupware ConsultantCommented:
When did you get the message? What was the user doing?
Does it happen for one user only or for more? For all users maybe?
Is this the first time you get the message? If so, what changed recently in the system?
Which exact version do you run? If older, you might upgrade to R8.5.3 FP6 or R9.0.1
litmicAuthor Commented:
Already checked IBM that  the solution is to delete the cross certificate document your local address book

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litmicAuthor Commented:
I've requested that this question be closed as follows:

Accepted answer: 0 points for litmic's comment #a41367722

for the following reason:

check IBM already
litmicAuthor Commented:
No more comment of this question
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