Saturday, February 9, 2013

Some rules are disabled, and you receive an error message when you try to create or enable rules in Outlook

Symptoms
After you upgrade to Microsoft Office Outlook 2003 (or later), you may notice that some of your rules are disabled and cannot be enabled. Other rules work correctly. If you try to enable the rules that are disabled, you receive the following error message:

One or more rules could not be uploaded to Exchange server and have been deactivated. This could be because some of the parameters are not supported or there is insufficient space to store all your rules.

Cause
This problem occurs when the rules in your mailbox exceed the 32 KB limit. The rules size limit for mailboxes in all versions of Microsoft Exchange Server is 32 KB. In Outlook 2003, the size of rules extended to add support for the Unicode format.

Workaround
Start the Exchange 2010 PowerShell management console.

Powershell command to view the current rules quotas for a mailbox.
Get-Mailbox john@contoso.com |FL displayname, rulesquota

Powershell command to set the new rule quotas for a mailbox.
Set-Mailbox john@contoso.com -RulesQuota:256kb

Source: http://support.microsoft.com/kb/886616

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