Event ID 4121 MSExchangeRepl

Hi all. I got this error last night at 3:23 AM

I've never seen this before.  All my backups passed. no user complaints. The warning only appeared at that one time. what is this warning about? I can't find barely anything on it. is this serious?

(Source: MSExchangeRepl) - Event ID 4121 - The Microsoft Exchange Replication service encountered an error when retrieving the database copy statuses during the periodic operation '
AmPeriodicDatabaseStateAnalyzer'. The operation will be retried later
IT_FanaticAsked:
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imkotteesSenior Messaging EngineerCommented:
if it was happened only once, i would ignore it as it could be because of the communication error between passive and active during that time.
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CorinTackNetwork EngineerCommented:
Most likely, the cause of this is that you have too much space being taken by Exchange transaction logs that have not been clearing properly. The following Technet article walks through the process of cleaning these up manually.

http://support.microsoft.com/kb/240145
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IT_FanaticAuthor Commented:
See that's the thing.  I run a full backup using windows server backup. I always get free space back after the backup completes. which I did this morning. my backup runs at 6pm and completes around 830pm. The error happened at 330am.

Could it be due to me recently having all users clean up.their mailboxes?
Maybe the purge of all the deleted emails caused the error?
could ithis be a hiccup since my.backups did.not.fail?
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Md. MojahidCommented:
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