Network Share Credentials Cached In Window Seven

After using one credential (username-password) for network shared resource, we can not use another credential until and unless we logoff and login again.

For this we have to disconnect or delete previous connections to that shared resource

Step1 : Start-> Run -> cmd -> net use * /delete
Above will ask you to delete all previous connection.
Ans with 'Y' to delete.
Again access network shared resource, This will solve your problem .If not succeeded follow second step

Step 2 : Start -> Manage Windows Credentials -> Delete all credentials
Again access network shared resource,
If not succeeded, then reverse steps
(i.e. Step 1 : Start -> Manage Windows Credentials -> Delete all credentials
Step 2 : Start-> Run -> cmd -> net use * /delete)