XP SP3 > connection terminated unexpected server authentication certificate...
This week I ran into a problem with connecting a HP T510 thin client to a RDS server 2012 R2 server (with Server 2012 R2 gateway). The thin client had a Windows XP SP3 (WES 2009) installation active....
View ArticleADFS 3.0 > Cannot start service MSSQL$MICROSOFT##WID on computer ‘.’.
ADFS 3.0 Cannot start service MSSQL$MICROSOFT##WID This week I had a problem installing Windows ADFS 3.0, on a Server 2012 R2 server. This server was also a Domain controller. Unfortunately there was...
View Article[Solved] ADFS 3.0 > Unable to logon >“AADSTS50008: SAML token is invalid”
This week I had a problem with a ADFS server. No user was able to logon, already connected users, were able to continue working, but no new connections were allowed. In this post I explain which steps...
View ArticleAADConnect > Azure Active Directory did not register a synchronization...
Azure Active Directory did not register a synchronization attempt This week I received several e-mail like the one below. This message means, there is no synchronization from your local AADConnect to...
View ArticleUnable to Sync > FederatedUser.UserPrincipalName is not valid
Federation Issues. This week I had a Tenant who had problems with 1 users. This customer has multiple domains in the same Active Directory, and they are all in the same tenant. This user changed jobs,...
View Article[Solved] ADFS WAP Error The operation stopped due to an unknown general...
This week I had a customer who couldn’t connect to Office 365 with Outlook, after a server reboot. When they tried to connect to Office 365 online, there was an error from the ADFS server. I Quickly...
View Article[Solved] HOW TO renew ADFS certificate on federation and WAP proxy server
To make everything clear, here’s the data to make the problem clear: Old certificate: XXXXXXX6F895C3574F92DC7D6C7DE3DE4BCA6920 New certificate XXXXXXX74393DBDB2FF3C2DCDB6FEB1A23A6EC94 ADFS01 =>...
View Article(Solved) Several ADFS tips and solutions
The last few months I’ve had several customers with ADFS problems. I’ve decided to share the knowledge about these tips and solutions with you: 1 I Found a ADFS diagnostics module in the technet...
View Article(Solved) WSUS : An error occurred trying to connect the WSUS server. This...
This week I had a migration where there was no high speed internet available, and the customer was renewing the computers from Windows 7 to Windows 10. Due to these slow internet speed, we decided to...
View Article[Solved] The name reference is invalid
This week I had a customer who just migrated from local Exchange to office 365. All users are synced to Office 365 by means of AADConnect, so the local AD is leading. After the migration the customer...
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