Update 4/11/11: Please note that the E2010 SP1 RU3 will be available via Microsoft Update on 4/24/11. On March 14 th we posted an announcement to the EHLO blog about removing Update Rollup 3 fo...
Updated Jul 01, 2019
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Blog Post
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Announcing the Re-release of Exchange 2010 Service Pack 1 Update Rollup 3 (V3)
As many others here I tried the E2010 SP1 RU3 to make shure the udp-problem with olk 2003 has been solved. I also set the regestry key on my CAS Server as described in KB2009942. I didnt do anything on the clientside (in that kb article is a test with fixed udp ports mentioned but only as test).
I found that some of the problems are much better than without the patch but its not solved: If I copy some mails so that I have about 1000 copys and delete them afterwards by keep pressed the delte button of my keyboard after about 200 Mails the error "Unkown Error" occures - its reproduciable. This happens also on my testenvironment (one hub-cas, two Mailboxservers as DAG). The same Outlook connected to Exchange 2003 doesn't show this behavior.
Could you please review the RU3?