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The credential storage password is a password to "protect" your saved wifi network passwords. When you log on to a wifi network, the phone saves the "credentials" of the network for later use, and protects them with the password. If you forget the password- or in your case it's simply unknown- enter any password until it threatens you with erasing all your credentials. Keep entering the passwords until it does erase everything (it WILL NOT affect your data). At that point it will ask you to enter a new one, do so and it will allow you to access your wifi. I did the same thing at my University.
This worked for me on my Evo 3D.The credential storage password is a password to "protect" your saved wifi network passwords. When you log on to a wifi network, the phone saves the "credentials" of the network for later use, and protects them with the password. If you forget the password- or in your case it's simply unknown- enter any password until it threatens you with erasing all your credentials. Keep entering the passwords until it does erase everything (it WILL NOT affect your data). At that point it will ask you to enter a new one, do so and it will allow you to access your wifi. I did the same thing at my University.
Thanks pydave!! worked fast on my HTC Inspire!eskimojoe's instructions worked for me on my eclair xt720, but I also noticed a setting to erase your storage:
Home > location & security > clear storage.

Hello,
I have the same problem, but I can not remove the password.
If I type many times, each time I get the message saying that the credentials have been eliminated, but still asking me again.
The credentials delete option in security settings appears unchecked because really there is no certificate.
I use Nexus 4 with Android 4.3
are you positive that your work did not change the wifi password? are you able to connect to other wifi networks? or did your work add the need for network credentials?And I'm having exactly the same problem with my Nexus 5 on 4.4.2. Doesn't matter what I enter, nothing works, and there's no way for me to clear the credentials.
It was all working fine before the Christmas break and since coming back it has been unable to connect to my work's WiFi network.
Try setting your screen lock. I have a Nexus 4 ans was getting this problem. Setting my screen lock to pin allowed me to install the cert without a password prompt.
Try setting your screen lock. I have a Nexus 4 ans was getting this problem. Setting my screen lock to pin allowed me to install the cert without a password prompt.
I'm going mad with my S4 running 4.4.2. I setup a VPN (two of them) without problems. Now when I try and enter the VPN screen I get asked for my credential storage password (which of course I don't have and have never set). None of the above work arounds work. I've tried a screen lock pin, password, pattern, none. I've cleared the credential storage from the security options - which is now greyed out. I've tried getting the password wrong until it clears it, yet then it just keeps asking for a password which I still don't know and can't get right. It's not asking me to set a new one either. My carrier (3 Ireland) have recently upgraded me to 4.4.2 - I never had this problem on 4.2. So I appear to have an S4 that is incapable of accessing the VPN feature! Any clues/advice before I throw it out the window?
Try setting your screen lock. I have a Nexus 4 ans was getting this problem. Setting my screen lock to pin allowed me to install the cert without a password prompt.
yayI'm going mad with my S4 running 4.4.2. I setup a VPN (two of them) without problems. Now when I try and enter the VPN screen I get asked for my credential storage password (which of course I don't have and have never set). None of the above work arounds work. I've tried a screen lock pin, password, pattern, none. I've cleared the credential storage from the security options - which is now greyed out. I've tried getting the password wrong until it clears it, yet then it just keeps asking for a password which I still don't know and can't get right. It's not asking me to set a new one either. My carrier (3 Ireland) have recently upgraded me to 4.4.2 - I never had this problem on 4.2. So I appear to have an S4 that is incapable of accessing the VPN feature! Any clues/advice before I throw it out the window?