Force the replication of Send As permission of a mailbox

Hi Experts,

I just updated the properties of a mailbox [granted send as permission] and need to see the changes asap. How can I force the replication in Exchange and AD, or perhaps a powershell cmd that updates the mailbox's properties without waiting for the 120 minutes of replication or restarting the microsoft Exchange information store server

From the link below

Please restart the information store service is not an option for me now

Looking forward hearing from you
Jerry SeinfieldAsked:
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Patrick BogersDatacenter platform engineer LindowsCommented:
Changes are active right Away, the user that has recieved send as rights only needs to restart his outlook.
Will SzymkowskiSenior Solution ArchitectCommented:
You will need to make sure that your Exchange server is using the AD Site Costs (which is by default unless otherwised changed). After AD replicaiton it takes 30 minutes for the group membership to update accordingly. If you want access right away you can restart the information store Exchange service.

Patrick BogersDatacenter platform engineer LindowsCommented:
Send as rights do not depend on replication in a single exchange server setup IMHO and are active instantly (after outlook restarts to recognize it)
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Will SzymkowskiSenior Solution ArchitectCommented:
@Patricksr1972 - Send on Behalf of is an Exchange permission, Send As is an AD permission. Send on Behalf is instant, Send As is not. AD Replication needs to happen and group membership also needs to update.


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Simon Butler (Sembee)ConsultantCommented:
Both changes are instant. The problem is Exchange caches the permission.
Therefore if the permission had not been used before (so Exchange has queried it) then you would be able to use it immediately. If it has, then the cache kicks in. The only way to clear the cache is to restart the information store. Forcing domain replication will have no effect.

I believe in Exchange 2010 you can reduce the amount of time Exchange "cache" permissions information to >120 minutes but this isn't highly recommended due to possible performance issues.
Simon Butler (Sembee)ConsultantCommented:
You have been able to change the cache time in all versions of Exchange. I saw a client reduce it to 10 minutes ages ago, and it brought the domain controllers to a complete halt with the load. There is a reason the information is cached - for all their faults, I don't think Microsoft would put in a cache delay if it wasn't necessary.

i found by moving the active database copy to another server this fixed the issue
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