Multiple Databases and/or Storage Groups - How many store.exe processes?

Posted on 2005-05-12
Last Modified: 2009-02-17
If I create multiple databases in a single storage group, or have multiple storage groups, how many store.exe processes will there be?  Is there only 1?  Or, is there 1 for each storage group and/or databases, etc.

Please shine some light on this.  Documentation would be helpful.

Thank you.
Question by:robrandon
    LVL 3

    Expert Comment

    there will only be 1 store.exe responsible for all prv and pub stores
    LVL 22

    Accepted Solution

    Storage Group Architecture
    As illustrated in Figure 10.3, all storage groups are hosted from the same Store.exe process. Each storage group is represented by an ESE instance.

    Figure 10.3   Storage group architecture

    Within each storage group, each .edb and .stm database pair represents a mailbox store or a public folder store. As shown in Figure 10.3, all mailbox and public folder stores in a particular storage group share a common set of log files and other system
    LVL 24

    Expert Comment

    There will only be one store.exe process.  There is only one Microsoft Exchange Information Store service under your services control panel (mmc).  This service is tied to the store.exe application (service), which is loaded into memory.

    This may help.

    If you have an anti-virus application, it may spawn several instances of threads of itself, which are used to scan.  It, however, will not spawn additional instances of store.exe.


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