Citrix clients may receive the following message on their thin client terminals when trying to login and make a connection through Citrix Receiver.   Cannot connect to server. Try connecting again in a few minutes.  

You may receive the following message while trying to open a Microsoft Access Database.   You attempted to open a database that is already opened by user “” on machine “”. Try again when the database is available.

If you suddenly receive an SQL connection error, it may be related to a recent DNS change in your network. The error message as follows.   Cannot connect… A network-related or instance-specific error occurred while establishing a connection to SQL server. The server was not found or was not accessible. Verify that the instance name is...

You may receive the following error message in Adobe Acrobat when trying to create or save a PDF file.   Create Adobe PDF Missing PDFMaker files. Do you want to run the installer in repair mode?  

You may receive the following error opening an Excel Worksheet with a linked Access Database.   Initialization of the data source failed. Check the database server or contact your database administrator. Make sure the external database is available, and then try the operation again. If you see this message again, create a new data source to...