(Thanks Alan for passing this along!)

Special Character problems in passwords continue to cause issues, and many organizations require the use of at least 1 to pass security requirements. Specific ones to stay away from ... @ ... Just today this caused problems in remote connections to Meta Engine Libname. & ... This can affect users

If your SMC or other metadata-based SAS tools seem to take a long time to load up when connecting to the metadata server you may benefit from running a reorg. The %OMABAKUP macro includes a reorg parameter which reduces the amount of fragmentation in how the datasets making up SAS