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Hey,

Congratulations on your sponsor approval. It sometimes takes a few days for ecas to work, so it might be an explanation.
Sometimes it is also that the combination of name + file number is not correct.

So, depending on what you tried, here are the "right combinations":
*UCI + sponsor name ( only last name, no first name, initials etc) + sponsor information
or
*File number (starting with F) + applicant name (only last name, no first name, initials etc) + applicant information

Hope it works for you!
Good luck,
Sweden
 
No worry...the website is being update....here is the message from the website:
The following online services will be intermittently unavailable from 12:15 a.m. to 03:15 a.m. on Saturday, October 20, 2012, Eastern standard time in order to perform maintenance:

MyCIC
Pay your application fees
 
Saqib_khans24 said:
Hello friends i got my spouse approval letter on 13th October but I can't check my application status.

It took me around 10 days to check my status on eCAS after getting approval...I guess you will be see update in coming days as they need to update your case online...Dont worry...