Azure & Office 365

Had user mailbox which reached the default storage limit (10GB) set on the Mailbox, due to which user getting alert stating unable to send receive messages. I increased the size of the mailbox by unchecking the box that subjected him to database default storage limit and increased the storage limit by manually entering upto 15GB, but still mailbox stated as full and couldn’t send receive mails using OWA as well as Outlook. Also tried to move few mails to PST and this caused to alert to go but when tried to send mail to user it reverted with message as the user’s mailbox is full.

Do Exchange take time to update these settings? If yes, how can we change those setting to get it work quickly?

Solution:

Exchange server takes around 2 hours to get the database cache updated. When we configure the mailbox size limit, its configured after some time but doesn’t take effects immediately. This is because the configured storage limit doesn’t effects until the database cache is refreshed and this cache information is refreshed after 2 hours (default interval). And to have the cache information refreshed or updated immediately we can restart Microsoft Exchange Information Service.

We can also modify this setting to lower number by modifying the registry Reread Logon Quotas Interval value for Microsoft Exchange Information Store Service.

Note: Modifying this registry value to lower value may cause performance issue on Exchange and incorrect editing of registry may cause to re installation of Operating System.

For further details, you can refer the following tech net:

http://technet.microsoft.com/en-us/library/bb684892%28v=exchg.80%29.aspx

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