Error Code: 500 Internal Server Error. The network logon failed. (1790)

This is an error visible in the web browser when connecting to a HTTPS web site behind an ISA Server. The problem is that the firewall access rule for this web site in ISA Server is forwarding the requests to an internal server on a port that it is not listening on. For example you… Continue reading Error Code: 500 Internal Server Error. The network logon failed. (1790)

Can’t Update Media Player Library on Windows SmartPhone

I have found for a while now that I could not view the Windows Media Player library on my phone, and everytime I viewed the library I got a dialog saying “An unexpected error occured”. But now I have fixed it. It must have been a corrupt copy of the libary database on the SDCard… Continue reading Can’t Update Media Player Library on Windows SmartPhone

ERROR_REPLICA_SYNC_FAILED_THE TARGET PRINCIPAL NAME IS INCORRECT

This rather imposing message is found if you try to force replication between to Active Directory Domain Controllers when one of the controllers machine account password is out of sync with the password as stored on the other domain controller. I have seen this a number of times on Virtual PC or Virtual Server Active… Continue reading ERROR_REPLICA_SYNC_FAILED_THE TARGET PRINCIPAL NAME IS INCORRECT

Fixing Error 1324.The path xxx contains an invalid character.

When installing software I have now seen a number of times the following error “Error 1324.The path My Documents contains an invalid character.”. My Documents could be replaced by a number of other special folders, and I have seen this issue on Windows XP and Windows Vista. The problem seems to stem from having UNC… Continue reading Fixing Error 1324.The path xxx contains an invalid character.

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Creating Subject Alternative Name Certificates with Microsoft Certificate Server

A new feature in digital certificates is the Subject Alternative Name property. This allows you to have a certificate for more than one URI (i.e. www.c7solutions.com and www.c7solutions.co.uk) in the same certificate. It also means that in web servers such as IIS you can bind this certificate to the site and use up only one… Continue reading Creating Subject Alternative Name Certificates with Microsoft Certificate Server

Exchange Management Shell

I need a place to store useful Powershell commands for the administration of Exchange Server 2007, so I thought I would add them here: Upgrading Exchange Organisation Place Replicas of Public Folders on New Exchange Server get-publicfolder -recurse Set-PublicFolder -Replicas:”server\public folder database”,”server\public folder store (server)” Enable ActiveSync Policy for Windows Mobile 2003 Smartphones and Pocket… Continue reading Exchange Management Shell

Virtual PC’s Crashing With IntelPPM.sys and Processor.sys

Today I booted a virtual machine that was provided for me by a client so that I could prep a training course, but I could not log into the virtual machine because it blue-screened with a driver called intelppm.sys failing (and supposedly processr.sys can cause the same problem, but I have not experienced that one… Continue reading Virtual PC’s Crashing With IntelPPM.sys and Processor.sys

P1 and P2 Headers in SMTP

P1 = the value on the MAIL FROM command of the SMTP connection (the message envelope) as defined in RFC 821. P2 = the email address in the message body as defined in RFC 822. These include the FROM, REPLY TO and SENDER fields For example, the following SMTP command sequence describes where P1 and… Continue reading P1 and P2 Headers in SMTP