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What is the exchange 2013 standard version database size limit?

What is the exchange 2013 standard version database size limit? Someone said it has a limit to 16TB,totally 5 DBs. I can find the reference on the MS site about how many DB you can have for a standard version. However after 4 hours research I couldn't find the definite answer for the DB size limit. It is 1TB by default, but if update the registry key, you can extend it up to 16TB. Is this correct?
Many thanks
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Hayes Jupe
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Hi Hayes

Thanks for the reply. However, our database is much bigger than 1TB atm + we have 5 DBs mounted. The error message pop in the event log last week got my attention to this issue. I had read that KB article many times which I found it is very confusing. The registry update applied last Fri which made the warning went away. Right now everything is working ok. No more DB oversize errors in the logs.
I couldn't figure it out why my DB is still mounted if it is hard-coded. Any ideas?

Many thanks in advance
hey - yep, fair call....

I've not dealt with standard edition with databases that have got anywhere near that - as im always keen to move to enterprise in order to maintain reasonable backup/restore times. So i don't actually have experience with your specific issue - just the official doco.

I assume the info store service has been re-started successfully at some point since the db hit that size? as my impression is that any issues are going to occur when the service starts.

just re-reading the article... specifically
The database maximum size is hard-coded as 1,024 GB in the event, even though you may have changed it to a higher value in the registry.

upon another reading - i think its saying that entry in the event log will still show 1024GB - even if its changed in the thats my bad for reading it incorrectly - sorry.

this document states 16TB - and makes no differential between standard and enterprise (for that part at least)
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Hi Hayes
Thanks for the update.
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We have upgraded the license to Enterprise. Thanks 
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