Hi All,

In my envirnemnt some ETL developer are running some of ETL using .bat file.
when the run single ETL the etl executed sucessfully but
When they run 6 to 7 etl at the same time they are getting login timeour error in their log file 

For executing ETL process they are using one single  sql server login 
im not getting any in error info in error log 

can anyone suggest is this for sql server issue or windows

Sounds like a network issue to me. Like they are saturating the network with the data load, so the new request does not make it through in time. They could try increasing the login timeout.

Sounds like a network issue to me. Like they are saturating the network with the data load, so the new request does not make it through in time. They could try increasing the login timeout.