We had a memory leak problem with Symantec 10.0.1 on our DC's. 10.0.2 seems to have fixed it.
Mark -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Evan Mann Sent: Tuesday, February 14, 2006 7:22 AM To: Exchange Discussions Subject: RE: To GC or not to GC that is the question Don't happen to be using McAfee VirusScan 8.0i with Patch 11 do you? There was a known issue with it on domain controllers. I don't recall if it causes LSASS to spike or not, but it sounded very similar. -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of ExchangeDiscussions Sent: Tuesday, February 14, 2006 9:17 AM To: Exchange Discussions Subject: RE: To GC or not to GC that is the question No, and we have determined that it is forest wide. It continues today. We are scanning for Virus (slowly) on all domain servers, but no soap. Our only other concern is possibly conflicting RUS policies that are constantly trying to rewrite each other's email addresses, but so far when we open them and do a "Find Now" in the query window they are only finding the objects they should own. If we find a solution I'll post it though. Bob -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Alborzfard, Alex Posted At: Monday, February 13, 2006 2:07 PM Posted To: ExchangeDiscussions Conversation: To GC or not to GC that is the question Subject: RE: To GC or not to GC that is the question No problem. Have you found the solution for the runaway lsass process? I had similar problem with one of our servers. I ran couple of performance counters (Virtual Bytes and another one) and the MS UMDH utility, but didn't find anything. Alex Alborzfard -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of ExchangeDiscussions Sent: Monday, February 13, 2006 2:09 PM To: Exchange Discussions Subject: RE: To GC or not to GC that is the question Thanks, that was what I was beginning to think as well, but wanted some alternative viewpoints. What brought it to light is some major address rewriting basically bringing all of our GC servers that were single processor to a standstill with lsass.exe running 99% cpu utilization. Some of my little sites only have the one server to begin with and they serve as file/print as well. I have two GC servers in the Hub, and may leave one additional one up in one off-site location for redundancy and see how that works out. Thanks for your suggestions! Bob -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Alborzfard, Alex Posted At: Monday, February 13, 2006 1:00 PM Posted To: ExchangeDiscussions Conversation: To GC or not to GC that is the question Subject: RE: To GC or not to GC that is the question >From EXCH standpoint, you need to place a GC in the same site as EXCH, because it communicates a lot with AD, especially with GC. For instance, if incoming emails are for an email-enabled group, EXCH connects to GC server to determine the recipients. This means it's very important to design an EXCH environment that has good & fast connectivity to a DC or better to a GC. You should put this server near EXCH box, in the best way directly in its local subnet to make sure a high-speed connection is available. Now as far as determining the number of GCs, Microsoft recommends a number of about 4000 users a GC can support. That means if you have more than this amount of users, you should put more than one GC in your subnet. But generally for high availability reasons, a second GC is recommended. That means your environment theoretically can support up to 8000 users at a time. Of course you have to determine high availability means to you and your company. So based on your situation, I would put 2 GCs, one in the hub (same site as EXCH) and the second one either in the same site or a remote site for redundancy purposes. Alex Alborzfard -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of ExchangeDiscussions Sent: Monday, February 13, 2006 8:38 AM To: Exchange Discussions Subject: To GC or not to GC that is the question Looking for so real world scenarios here. I am responsible for a single domain of a much larger AD forest. My domain represents 9 sites in a hub and spoke scenario. In the past I had setup a dc/gc server at each remote site and 3 dc 2 gc at the hub. Now that all of my sites/servers are upgraded to Windows 2003 what is the best real world recommendation for the placement of GC for Exchange at the hub. None of the remote sites have an exchange server and none of them have more than 100 computers most are less than 50 and a few are 20 or less. All outlook clients are 2003 in cached mode. Given this scenario, do I really need a gc at each remote site? What criteria should I use for GC placement? Thanks for any info! ________________________________ Bob Reasoner _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Web Interface: http://intm-dl.sparklist.com/read/?forum=exchange To subscribe: http://e-newsletters.internet.com/discussionlists.html/ To unsubscribe send a blank email to [EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED] To unsubscribe via postal mail, please contact us at: Jupitermedia Corp. 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