Exchange server reported error 0x8004011D

Posted by & filed under Exchange Server.

‘Microsoft Exchange Server’ reported error (0x8004011D): ‘The server is not available. Contact your administrator if this condition persists.’ This is a familiar error for many people. In my experience of diagnosing and fixing exchange issues, 9 / 10 times there has been an information store being dismounted due to an underlying service crashing. Let’s go… Read more »

Large Exchange Server Performance Tip

Posted by & filed under Exchange Server.

Exchange server runs atop Active Directory on Windows. If underlying services are performing poorly, exchange server performance will suffer also. Assigning a Specific Global Catalog Server to Exchange Every time Active Directory needs to access the Global Address List (GAL) it queries the Global Catalog Server through LDAP. The default Global Catalog Server is the… Read more »

Spamhaus Spam List Update

Posted by & filed under Exchange Server.

Looks like Spamhaus SBL+XBL has become Spamhaus Zen. I have already switched my spam filter over to the new list and I must say, it is much more effective. Before I was averaging 19%-22% spam from Spamhaus SBL+XBL, and with Zen I am getting 29% spam rate, with only a few minor false positives. Spamhaus… Read more »

Exchange Server 2003 Spam Filtering

Posted by & filed under Exchange Server, Windows / Server.

In my relentless efforts to squash the ever increasing spam problem within our organization, I have added ORF Enterprise Anti-Spam by Vamsoft to our anti-spam arsenal. ORF is not meant for Exchange Server only, it binds to any SMTP server and filters before/after arrival of messages. It seems any Exchange Server specific anti-spam product is… Read more »