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Why is my Mailbox Store so big?

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Why is my Mailbox Store so big? - 26.Apr.2005 7:13:00 PM   
Toper

 

Posts: 4
Joined: 26.Apr.2005
From: Califonia
Status: offline
This the standard version of Exchange Server 2003 (16 GB limit), and it won't mount because it says that the storage limit has been exceeded. Browsing the priv1.edb confirms that the file size is 16,770,312 KB. This all makes sense to me...

What I don't understand is why the priv1.edb is even remotely close to 16GB. I just performed an offline defrag and it had no effect on the database size. Exchange will let me re-mount the Mailbox Store long enough to view the mailboxes and there sizes, I have the following mailboxes:

code:
Mailbox   Size(KB)  Total Items

<username> 214,602 1,563
<username> 61,516 538
<username> 34,920 286
<username> 32,209 357
SystemMailbox 361 401
<username> 157 41
<username> 55 13
SMTP 0 0
System Attendant 0 0

When I add that up I get 343,820 KB. Am I missing something, or is there something wrong? Why do I have a 16GB+ database for less than a GB of Mailboxes?
Post #: 1
RE: Why is my Mailbox Store so big? - 26.Apr.2005 7:24:00 PM   
ScottyFryer

 

Posts: 417
Joined: 19.May2004
From: Courtice
Status: offline
Is online maintance running at night? Are you seeing the 1221 event id? If so what is it saying for white space. Also how big is your EDB and how big is your STM file.

(in reply to Toper)
Post #: 2
RE: Why is my Mailbox Store so big? - 26.Apr.2005 7:58:00 PM   
Toper

 

Posts: 4
Joined: 26.Apr.2005
From: Califonia
Status: offline
Online maintance has been running at night. All the Mailbox Store 1221 events for the past week say the same thing:

code:
Event Type: Information
Event Source: MSExchangeIS Mailbox Store
Event Category: General
Event ID: 1221
Date: 4/25/2005
Time: 3:45:00 AM
User: N/A
Computer: SERVER
Description:
The database "First Storage Group\Mailbox Store
(SERVER)" has 0 megabytes of free space after
online defragmentation has terminated.

For more information, click http://www.microsoft.com/contentredirect.asp.

However, online maintance did not run last night because the Mailbox Store wasen't mounted. The problem started yesterday after a user imported some old email into outlook via .pst by dragging and dropping the mail into their exchange server mailbox (the source .pst was less than 10 MB).

The EDB file is 16,770,312 KB.
The STM file is 4,104 KB.

[ April 26, 2005, 07:59 PM: Message edited by: Toper ]

(in reply to Toper)
Post #: 3
RE: Why is my Mailbox Store so big? - 26.Apr.2005 8:01:00 PM   
ScottyFryer

 

Posts: 417
Joined: 19.May2004
From: Courtice
Status: offline
I would ISINTEG the Store. It will fix any pointers that are not correct.

Isinteg -s <server name> -fix -test alltests

(in reply to Toper)
Post #: 4
RE: Why is my Mailbox Store so big? - 26.Apr.2005 8:18:00 PM   
Toper

 

Posts: 4
Joined: 26.Apr.2005
From: Califonia
Status: offline
ISINTEG had no effect on the file size, here's the report.

code:
Started:    04/26/05 11:17:04
Server name: server.PaulsPlumbing.local
Database name: First Storage Group\Mailbox Store (SERVER)
Output log: isinteg.pri
Check mode: check and fix
Options: -log -Fix -RefDbLoc -Test testFldRcv
testFldSub testMsgRef testMsgSoftRef
testAttachRef testACLListRef testACLItemRef
testNewsfeedRef testFolder testDelFolder
testMessage testAttach testMailbox testReceiveFld
testACLList testACLItem testOofHist testPerUser
testGlobal testDlvrTo testSearchQ testTimedEvents
testMoreFld testTombstone testNewsfeed testSearch
testDumpsterProps testFreeDocUrl testEnd

The Information Store has not been shut down clean.
Hence enabling the Row Count/Dumpster Count test.
You may also specify -test rowcounts (or) -test dumpsterref to run these tests
Starting test 1 of 21, 'Categorization Tables'
. Time: 0h:0m:0s
Starting test 2 of 21, 'Restriction Tables'
. Time: 0h:0m:0s
Starting test 3 of 21, 'Search Folder Links'
. Time: 0h:0m:0s
Starting test 4 of 21, 'Global'
, number of rows = 1. Time: 0h:0m:0s
Starting test 5 of 21, 'Delivered To'
. Time: 0h:0m:0s
Starting test 6 of 21, 'Repl Schedule'
. Time: 0h:0m:0s
Starting test 7 of 21, 'Timed Events'
. Time: 0h:0m:0s
Starting test 8 of 21, 'reference table construction'
. Time: 0h:0m:2s
Starting test 9 of 21, 'Folder'
, number of rows = 363. Time: 0h:0m:2s
Starting test 10 of 21, 'Deleted Messages'
. Time: 0h:0m:0s
Starting test 11 of 21, 'Message'
, number of rows = 30007. Time: 0h:0m:5s
Starting test 12 of 21, 'Attachment'
, number of rows = 71480. Time: 0h:0m:2s
Starting test 13 of 21, 'Mailbox'
, number of rows = 10. Time: 0h:0m:0s
Starting test 14 of 21, 'Sites'
, number of rows = 38. Time: 0h:0m:0s
Starting test 15 of 21, 'Categories'
. Time: 0h:0m:0s
Starting test 16 of 21, 'Per-User Read'
, number of rows = 3. Time: 0h:0m:0s
Starting test 17 of 21, 'special folders'
. Time: 0h:0m:0s
Starting test 18 of 21, 'Message Tombstone'
, number of rows = 49. Time: 0h:0m:0s
Starting test 19 of 21, 'Folder Tombstone'
, number of rows = 1. Time: 0h:0m:0s
Starting test 20 of 21, 'reference count verification'
. Time: 0h:0m:1s
Starting test 21 of 21, 'Row Count/Dumpster Count'
Warning: table MsgFolder row count: Calc(8212) <> Prop(8230)
Warning: table Folders row count: Calc(363) <> Prop(387)
Warning: table Mailbox row count: Calc(10) <> Prop(11)
Warning: table ReceiveFolder row count: Calc(38) <> Prop(37)
Warning: table ReplidMap row count: Calc(5) <> Prop(4)
Warning: table NamedProps row count: Calc(862) <> Prop(861)
Fix: The performance monitor counters are set to the correct values
. Time: 0h:0m:0s, number of warnings = 6, number of fixes = 1

. . . . . SUMMARY . . . . .
Total number of tests : 21
Total number of warnings : 6
Total number of errors : 0
Total number of fixes : 1
Total time : 0h:0m:15s



[ April 26, 2005, 08:19 PM: Message edited by: Toper ]

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Post #: 5
RE: Why is my Mailbox Store so big? - 26.Apr.2005 8:23:00 PM   
ScottyFryer

 

Posts: 417
Joined: 19.May2004
From: Courtice
Status: offline
why didn't you do all tests.. the test you did do it produced a fix. You should do all tests run online maintaince see if there is any whitespace. Or you can run an ESEUTIL /G to test the integrity of the database. Because it looks very odd that you have a small amount of users on the store with small mailboxes, but your at 16GB.

Your best bet would probably to exmerge everyone out, delete the databases, mount a blank store, send a piece of mail to everyone to recreate the mailboxes and exmerge everything back in.

(in reply to Toper)
Post #: 6
RE: Why is my Mailbox Store so big? - 26.Apr.2005 8:31:00 PM   
ScottyFryer

 

Posts: 417
Joined: 19.May2004
From: Courtice
Status: offline
maybe you did do alltests sorry.. tired..

(in reply to Toper)
Post #: 7
RE: Why is my Mailbox Store so big? - 26.Apr.2005 11:07:00 PM   
nhammer

 

Posts: 3
Joined: 26.Apr.2005
From: Utah, USA
Status: offline
I am working on this same issue. When I export a list of mailboxes, I come up with about 3.5 gig used. My priv1.edb is 8.3 gig and my priv1.stm is 7.9 gig.

I performed an offline defrag using eseutil last week after having everybody clean out their mailboxes.

I'm working through the items listed above but would appreciate any other input that you guys come across!

(in reply to Toper)
Post #: 8
RE: Why is my Mailbox Store so big? - 27.Apr.2005 3:00:00 AM   
Toper

 

Posts: 4
Joined: 26.Apr.2005
From: Califonia
Status: offline
I ended up exporting each users mailbox as a .pst file (from outlook), creating a new empty Mailbox Store in exchange, deleting each users old exchange account from each clients controlPanel->email then creating a new one, and then importing the .pst back into each users mailbox (from outlook). The new Mailbox Store is 312,328 KB. This however, is very impractical if you have more than 10 mailboxes, perhaps there's a better way. I only did it this way because the original Mailbox Store was over 16GB and exchange would keep un-mounting it (so I wasn't able to use Exmerge).

Thank you for your help Scotty, I do appreciate it. [Smile]

[ April 27, 2005, 03:03 AM: Message edited by: Toper ]

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Post #: 9
RE: Why is my Mailbox Store so big? - 27.Apr.2005 2:02:00 PM   
ScottyFryer

 

Posts: 417
Joined: 19.May2004
From: Courtice
Status: offline
you don't have to delete their profiles.. Just remove the Edb and STM files, then mount the store and it will create a blank one. then send a piece of mail to all the users then exmerge all the data in. Seems impractical but is usually microsoft supports solution.

(in reply to Toper)
Post #: 10
RE: Why is my Mailbox Store so big? - 27.Apr.2005 2:04:00 PM   
ScottyFryer

 

Posts: 417
Joined: 19.May2004
From: Courtice
Status: offline
Exmerge requires the user your logged in with to have send as and recieve as permissions. By default the administrator has denies on these. Microsoft recommends you create a new account to do the exmerge process, but I usually just remove the administrator denies.

(in reply to Toper)
Post #: 11
RE: Why is my Mailbox Store so big? - 27.Apr.2005 5:06:00 PM   
nhammer

 

Posts: 3
Joined: 26.Apr.2005
From: Utah, USA
Status: offline
I did another offline defrag last night. It cut my databse at least in half...actually, closer to 1/3. so we're looking good now...i am concerned that it will baloon again. I looked in event viewer and my nightly online maintenance is running. If it swells again, any ideas on what I should look into?

[ April 27, 2005, 06:00 PM: Message edited by: Nathan Hammer ]

(in reply to Toper)
Post #: 12
RE: Why is my Mailbox Store so big? - 28.Apr.2005 5:18:00 PM   
Rodeca

 

Posts: 3
Joined: 28.Apr.2005
From: Spain
Status: offline
IMHO
You can shrink your DB with ESEUTIL (not isinteg...)

and IMO (I am sure): you'll never gain disk space with nightly online maintenance. You get free space inside your DB files

Ro

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Post #: 13
RE: Why is my Mailbox Store so big? - 28.Apr.2005 5:31:00 PM   
Guest
One thing you might want to try to avoid this in the future is to reduce dumpster time. When I look at my mailbox statistics, the total is about half of what I'm using on disk. I did notice that the deleted items column was just too big. 7 days retention, given all the spam that comes in, is just too long. I cut it down to 2 days. It won't make my files any smaller, but they won't grow quite so fast, I hope.

(in reply to Toper)
  Post #: 14
RE: Why is my Mailbox Store so big? - 28.Apr.2005 6:19:00 PM   
ScottyFryer

 

Posts: 417
Joined: 19.May2004
From: Courtice
Status: offline
You don't free up space within your database either with nightly maintance, it just tells you how much whitespace is in there that can be freed up with an offline defrag.

(in reply to Toper)
Post #: 15
RE: Why is my Mailbox Store so big? - 30.Apr.2005 1:52:00 AM   
aaac2

 

Posts: 1
Joined: 30.Apr.2005
From: Los Angeles
Status: offline
I am having the EXACT same problem :/ per microsoft knowledgebase I did the 17 gig registry edit and am able to remount temporarily. Through a count of message size and deleted item size in the mailbox store in system manager, the total of the store is at most 5 gigs...but my edb file size is already 16 gigs. I've run eseutil defrag several times and it doesn't change anything. Ive also run isinteg and it came up with 0 errors. Anyone have any idea why or how this happened? Running SBS 2003 and Exchange 2003 SP1 w/ SBS fix.

Thanks in advance

(in reply to Toper)
Post #: 16
RE: Why is my Mailbox Store so big? - 11.May2005 8:27:00 PM   
Shane J

 

Posts: 1
Joined: 11.May2005
From: SoCal
Status: offline
Change the "retain deleted items" check box to zero. Rerun eseutil /d. This will compress your message store files.

(in reply to Toper)
Post #: 17

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