I was asked to manually load a Certificate Revocation List (CRL) from an MS Server 2008 R2 Certificate Server to a F5 BIPIP appliance for use when authenticating client certificates. Having a CRL loaded as a local file into the BIGIP is probably the easiest way to get it to… Continue reading
I’ve been using a F5 BIG IP in a test lab as a VPN concentrator using client certs as part of the Authentication of the client. We have a windows 2008 r2 domain controller on the inside LAN running MS Certificate Services. The 2008r2 host is running as the Certificate… Continue reading
Sharepoint 2013 backups leave a lot to be desired. But here’s something new I just came across. Sharepoint 2013 has no built in way to setup a backup retention period or any method to remove old backups to free up space. So whether you use a backup script running as… Continue reading
I encountered this error while performing an install of an Exchange 2010 Service Pack: Some controls aren’t valid. – Setup previously failed while performing the action “Install”. You can’t resume setup by performing the action “BuildToBuildUpgrade” To fix the issue, we need to open the registry, find and remove the… Continue reading
My business closed one of their remote branches recently. The ex-employees took their time packing and sending the hardware back to our HQ. The Domain Controller was offline for more than a month. When we finally got it back, I recreated the routing and plugged the server back in so… Continue reading
So, lets say you’ve built up a Lync 2013 installation in parallel to your existing Lync 2010. It’s time to migrate users from Lync 2010 registrar pool to the Lync 2013 pool. But when you do this, you get the following error “Failed while updating destination pool” The… Continue reading
Today I was given an Evaluation of Lync 2013 and asked to install it in a Lab setting to have a look at it. So to get started, I spun up a Virtual 2008 R2 SP1 server, got it patched, assigned a static IP, and joined it to the lab… Continue reading
I was attempting to install MS SQL Server 2008 R2 SP1 and would get the following issue detecting a previous installation for RS_Server_Adv with error 0x04B20001. Following a few posts and blogs, I found out the SQL server modifies certain registry keys during installation attempts. By resetting the… Continue reading
This is a quick and easy way to get a Tabbed list of Usernames and emails from a Windows Domain while on the domain controller. By using the dsget and dsquery commands, we can list users and then send the output to a file. dsquery user cn=Users,dc=domain,dc=com -name * -limit… Continue reading
This problem came for me recently. Several employees where trying to setup Android phone email clients to check mail on an Exchange 2010 mail server. They would constantly get the following message: “Remote Security Administration, The Server requires that you allow it to remotely control some security features of your… Continue reading
Mike's Guides to Learning Boto3 Volume 1: Amazon AWS Connectivity and Basic VPC Networking
Mike's Guides to Learning Boto3 Volume 2: AWS S3 Storage: Buckets, Files, Management, and Security
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